silverlight 中 ComboBox+TreeView 实现的下拉控件

功能描述：

ComboBox+TreeView实现的用户控件，设置数据源后，可以递归加载数据，支持双向绑定

控件截图：

XAML界面设计：

<UserControl x:Class="ChuanyeOA.Cus<a href="http://code.js-code.com/tag/tomcat/" target="_blank" class="keywords">tomcat</a>ontrol<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree" xmlns="<a href="http://code.js-code.com/tag/http/" target="_blank" class="keywords">http</a>://<a href="http://code.js-code.com/tag/sche/" target="_blank" class="keywords">sche</a>R_681_11845@a<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>microsoft.com/winfx/2006/xaml/presentation" xmlns:x="<a href="http://code.js-code.com/tag/http/" target="_blank" class="keywords">http</a>://<a href="http://code.js-code.com/tag/sche/" target="_blank" class="keywords">sche</a>R_681_11845@a<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>microsoft.com/winfx/2006/xaml" xmlns:d="<a href="http://code.js-code.com/tag/http/" target="_blank" class="keywords">http</a>://<a href="http://code.js-code.com/tag/sche/" target="_blank" class="keywords">sche</a>R_681_11845@a<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>microsoft.com/expression/blend/2008" xmlns:mc="<a href="http://code.js-code.com/tag/http/" target="_blank" class="keywords">http</a>://<a href="http://code.js-code.com/tag/sche/" target="_blank" class="keywords">sche</a>R_681_11845@a<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>openxmlformat<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="30" d:DesignWidth="300" xmlns:sdk="<a href="http://code.js-code.com/tag/http/" target="_blank" class="keywords">http</a>://<a href="http://code.js-code.com/tag/sche/" target="_blank" class="keywords">sche</a>R_681_11845@a<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>microsoft.com/winfx/2006/xaml/presentation/sdk"> <Grid x:Name="LayoutRoot"> <Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a> Height="23" Name="cbMain" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" DropDownOpened="cbMain_DropDownOpened" DropDownClosed="cbMain_DropDownClosed"> <Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Item x:Name="cbItemTreeView"> <Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Content> <sdk:TreeView Name="tvList" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItemChanged="tvList_<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItemChanged" /> </Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Content> </Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Item> <Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Item x:Name="cbItemDisplay" > </Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Item> </Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>> </Grid> </UserControl>

后台CS代码：

using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Collection<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Generi<a href="http://code.js-code.com/tag/c/" target="_blank" class="keywords">c;</a> using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Linq; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Net; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Windows; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Controls; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Documents; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Input; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Media; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Media.Animation; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Shapes; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Data; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Collections; using Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Reflection; /<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a> * 创建人：刘跃飞 * 创建时间：2010-09-21 * <a href="http://code.js-code.com/tag/gongnengmiaoshu/" target="_blank" class="keywords">功能描述</a>：Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>+TreeView实现的<a href="http://code.js-code.com/tag/yonghu/" target="_blank" class="keywords">用户</a>控件，主要实现选择TreeView中的项做为Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>的项的<a href="http://code.js-code.com/tag/gongneng/" target="_blank" class="keywords">功能</a> * <a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>描述：此控件包含以下几个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a> * 1.Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e:控件要绑定的数据源 * 2.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath:选中的<a href="http://code.js-code.com/tag/zhide/" target="_blank" class="keywords">值的</a><a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a> * 3.Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath：<a href="http://code.js-code.com/tag/huoqu/" target="_blank" class="keywords">获取</a>或设置为每个数据项要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的<a href="http://code.js-code.com/tag/mingcheng/" target="_blank" class="keywords">名称</a> * 4.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem 当前选择的项 * 5.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue 当前选择的值 * 6.IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled 设置是否启用递归加载数据源中的项 。需要设置ChildName和ParentName两个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a> * 7.ChildMemberPath 递归加载数据源时，实体中的子级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 * 8. ParentMemberPath 递归加载数据源时，实体中的父级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 * 9.IsExpandAll 设置TreeView打开时是全部打开状态还是收缩状态 <a href="http://code.js-code.com/tag/mo/" target="_blank" class="keywords">默</a>认为True打开状态 * * 使用<a href="http://code.js-code.com/tag/fangfa/" target="_blank" class="keywords">方法</a>： * 注意事项：本控件设计尚<a href="http://code.js-code.com/tag/buwanshan/" target="_blank" class="keywords">不完善</a>，【Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e】<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>需要在最后设置，否则，将<a href="http://code.js-code.com/tag/tishicuowu/" target="_blank" class="keywords">提示错误</a> * 1.界面上直接设置，例如： * <myControl:Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue="<a href="http://code.js-code.com/tag/B/" target="_blank" class="keywords">{B</a>inding DepartmentID,Mode=TwoWay}" Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath="DepartName" <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath="ID" IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled="True" ChildMemberPath="ID" ParentMemberPath="ParentID" Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e="<a href="http://code.js-code.com/tag/B/" target="_blank" class="keywords">{B</a>inding Data,<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e=<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a>Static<a href="http://code.js-code.com/tag/resourc/" target="_blank" class="keywords">resourc</a>e a_DepartmentDomainData<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E}</a>}"> * 2.在<a href="http://code.js-code.com/tag/houtai/" target="_blank" class="keywords">后台</a><a href="http://code.js-code.com/tag/daima/" target="_blank" class="keywords">代码</a>中直接设置，例如： * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath = "Name"; * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath = "ID"; * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.ChildMemberPath = "ID"; * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.ParentMemberPath = "ParentID"; * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled = true; * combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree1.Item<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e = MyControl<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Departmen<a href="http://code.js-code.com/tag/Tin/" target="_blank" class="keywords">Tin</a>fo.GetDepartment().AsEnumerable(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> * 3.如果启用递归加载，父级ID为【0】的项，将作为根节点加载，如果没有父级ID为【0】的项，将无法进行加载 * 4.此控件用到了TreeView的ExpandAll扩展<a href="http://code.js-code.com/tag/fangfa/" target="_blank" class="keywords">方法</a>，需要@L_<a href="http://code.js-code.com/tag/944/" target="_blank" class="keywords">944</a>_58@【Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Control<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Toolkit】类库的引用，否则将<a href="http://code.js-code.com/tag/tishi/" target="_blank" class="keywords">提示</a>找不到此<a href="http://code.js-code.com/tag/fangfa/" target="_blank" class="keywords">方法</a> * <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">**</a>*/ namespace ChuanyeOA.Cus<a href="http://code.js-code.com/tag/tomcat/" target="_blank" class="keywords">tomcat</a>ontrols <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> public partial class Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree : UserControl <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> public Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree() <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> InitializeComponent(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Layout<a href="http://code.js-code.com/tag/updat/" target="_blank" class="keywords">updat</a>ed += new EventHandler(Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree_Layout<a href="http://code.js-code.com/tag/updat/" target="_blank" class="keywords">updat</a>ed<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } void Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree_Layout<a href="http://code.js-code.com/tag/updat/" target="_blank" class="keywords">updat</a>ed(ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,EventArgs <a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>IsExpandAll) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //--展开所有节点 tvList.ExpandAll(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } } #region Item<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e 设置或获得绑定的数据源（<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>） public static readonly DependencyProperty Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>eProperty = DependencyProperty.Register("Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e",typeof(IEnumerabl<a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a>,typeof(Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tre<a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a>,new Property<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>data(new PropertyChangedCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k(Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>ePropertyChangedCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k))<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 数据源 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public IEnumerable Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (IEnumerabl<a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a>thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>eProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>eProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } //--<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>更改的回调事件 public static void Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>ePropertyChangedCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k(DependencyOb<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,DependencyPropertyChangedEventArgs args) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (sender <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">!=</a> null) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree = sender as Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree; if (combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree.IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled == <a href="http://code.js-code.com/tag/fal/" target="_blank" class="keywords">fal</a>s<a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> // 以列表的方式加载数据 combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree.LoadTreeViewDataWithList(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } else <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //以递归的方式加载数据 combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree.LoadTreeViewDataWithRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ion(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } } } #endregion #region <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath 选中的<a href="http://code.js-code.com/tag/zhide/" target="_blank" class="keywords">值的</a><a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a> public static readonly DependencyProperty <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePathProperty = DependencyProperty.Register("<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath",typeof(<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng),<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// <a href="http://code.js-code.com/tag/huoqu/" target="_blank" class="keywords">获取</a>或设置每个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项要绑定的<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的<a href="http://code.js-code.com/tag/mingcheng/" target="_blank" class="keywords">名称</a> /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedValuePathProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedValuePathProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath <a href="http://code.js-code.com/tag/huoqu/" target="_blank" class="keywords">获取</a>或设置为每个数据项要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的<a href="http://code.js-code.com/tag/mingcheng/" target="_blank" class="keywords">名称</a> public static readonly DependencyProperty Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPathProperty = DependencyProperty.Register("Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath",<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// <a href="http://code.js-code.com/tag/huoqu/" target="_blank" class="keywords">获取</a>或设置为每个数据项要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的<a href="http://code.js-code.com/tag/mingcheng/" target="_blank" class="keywords">名称</a> /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPathProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPathProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem 当前选择的项 public static readonly DependencyProperty <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItemProperty = DependencyProperty.Register("<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem",typeof(ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct),<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 当前选择的项 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedItemProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedItemProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue 当前选择的值 public static readonly DependencyProperty <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueProperty = DependencyProperty.Register("<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue",<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 当前选择的值 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedValueProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">(SELE</a>ctedValueProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled 设置是否启用递归加载数据源中的项 。需要设置ChildName和ParentName两个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a> public static readonly DependencyProperty IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabledProperty = DependencyProperty.Register("IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled",typeof(bool),new Property<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>data(new PropertyChangedCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k(IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabledCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k))<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 设置是否启用递归加载数据源中的项。 /// 需要设置ChildMemberPath和ParentMemberPath两个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>，如果这两个<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>没有设置，则不启用递归加载。 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public bool IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (bool)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabledProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //if (value == tru<a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> //<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> // //---如果子级和父级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>设置不为空 则开始递归加载数据 // if (!<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ChildMemberPath) && !<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ParentMemberPath)) // <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> // if (thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Item<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">!=</a> null) // <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> // thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>LoadTreeViewDataWithRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ion(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> // } // } //} thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabledProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } public static void IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabledCall<a href="http://code.js-code.com/tag/BAC/" target="_blank" class="keywords">BAC</a>k(DependencyOb<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,DependencyPropertyChangedEventArgs args) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (sender <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">!=</a> null) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree = sender as Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree; combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree.IsRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ionEnabled = (bool)arg<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>NewValue; } } #endregion #region ChildMemberPath 递归加载数据源时，实体中的子级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 public static readonly DependencyProperty ChildMemberPathProperty = DependencyProperty.Register("ChildMemberPath",<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 递归加载数据源时，实体中的子级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng ChildMemberPath <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(ChildMemberPathProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(ChildMemberPathProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region ParentMemberPath 递归加载数据源时，实体中的父级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 public static readonly DependencyProperty ParentMemberPathProperty = DependencyProperty.Register("ParentMemberPath",<a href="http://code.js-code.com/tag/null/" target="_blank" class="keywords">null);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 递归加载数据源时，实体中的父级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>项 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng ParentMemberPath <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(ParentMemberPathProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(ParentMemberPathProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region IsExpandAll 设置TreeView打开时是全部打开状态还是收缩状态 <a href="http://code.js-code.com/tag/mo/" target="_blank" class="keywords">默</a>认为True打开状态 /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 设置TreeView打开时是全部打开状态还是收缩状态 <a href="http://code.js-code.com/tag/mo/" target="_blank" class="keywords">默</a>认为True打开状态 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public static readonly DependencyProperty IsExpandAllProperty = DependencyProperty.Register("IsExpandAll",new Property<a href="http://code.js-code.com/tag/Meta/" target="_blank" class="keywords">Meta</a>data<a href="http://code.js-code.com/tag/true/" target="_blank" class="keywords">(true)</a><a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 设置TreeView打开时是全部打开状态还是收缩状态 <a href="http://code.js-code.com/tag/mo/" target="_blank" class="keywords">默</a>认为True打开状态 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> public bool IsExpandAll <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> get <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return (bool)thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>GetValue(IsExpandAllProperty<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } set <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SETVAL/" target="_blank" class="keywords">SETVAL</a>ue(IsExpandAllProperty,<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>; } } #endregion #region 加载数据源<a href="http://code.js-code.com/tag/fangfa/" target="_blank" class="keywords">方法</a> /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 用列表的方式加载数据源 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> private void LoadTreeViewDataWithList() <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> tvList.Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Clear(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a>//先清空所有的数据 foreach (var item in Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> Type objType = ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>GetType(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--用反射的方式 获得<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>对应的值 PropertyInfo displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的文本 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng displayText = displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前选择的值 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> TreeViewItem myitem = new TreeViewItem(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Header = displayText; myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue; tvList.Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Add(myitem<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } } /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 用递归加载数据源 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> private void LoadTreeViewDataWithRe<a href="http://code.js-code.com/tag/curs/" target="_blank" class="keywords">curs</a>ion() <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> tvList.Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Clear(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a>//先清空所有的数据 if (Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a>e <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">!=</a> null) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //---如果子级和父级<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>设置不为空 则开始递归加载数据 if (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ChildMemberPath) || <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ParentMemberPath)) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> <a href="http://code.js-code.com/tag/messa/" target="_blank" class="keywords">messa</a>ge<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>.Show("在【Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>Tree】控件中，如果启用了递归方式加载数据，必须设置【ChildMemberPath】和【ParentMemberPath】<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的值。"<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } foreach (var item in Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> Type objType = ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>GetType(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--用反射的方式 获得<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>对应的值 PropertyInfo displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo childValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ChildMemberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo parentValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ParentMemberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的文本 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng displayText = displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前选择的值 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //---子级绑定的值 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng childValue = childValueInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--父级绑定的值 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng parentValue = parentValueInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> if (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(child<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a> || <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(parent<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return; } if (parentValue == "0")//--所有的父级的值为【0】的数据<a href="http://code.js-code.com/tag/mo/" target="_blank" class="keywords">默</a>认为@L_<a href="http://code.js-code.com/tag/944/" target="_blank" class="keywords">944</a>_58@到根节点。 <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> TreeViewItem myitem = new TreeViewItem(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Header = displayText; myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue; thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>LoadItems(myitem,Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a>; tvList.Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Add(myitem<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> } } } } /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// 递归加载数据源 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// <param name="treeviewitem"></param> /// <param name="mylist"></param> private void LoadItems(TreeViewItem treeviewitem,IEnumerable mylist) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (mylist <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">!=</a> null) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> foreach (var item in Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> Type objType = ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>GetType(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--用反射的方式 获得<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>对应的值 PropertyInfo displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo childValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ChildMemberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> PropertyInfo parentValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>ParentMemberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的文本 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng displayText = displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> if (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(child<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a> || <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(parent<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> return; } if (treeviewite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag.To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng() == parent<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> TreeViewItem myitem = new TreeViewItem(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Header = displayText; myite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue; treeviewite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Add(myitem<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>LoadItems(myitem,Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a>; } } } } #endregion /// <sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// TreeView的选择事件 /// </sum<a href="http://code.js-code.com/tag/Mary/" target="_blank" class="keywords">Mary</a>> /// <param name="sender"></param> /// <param name="e"></param> private void tvList_<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItemChanged(ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,RoutedPropertyChangedEventArgs<ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct> <a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (tvList.Item<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Count > 0) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem = tvList.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem; if (<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath) || <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath)) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> <a href="http://code.js-code.com/tag/messa/" target="_blank" class="keywords">messa</a>ge<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>.Show("此控件必须设置【Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath】和【<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath】<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>的值"<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> return; } Type objType = null; PropertyInfo displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo = null; PropertyInfo <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo = null; foreach (var item in Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //<a href="http://code.js-code.com/tag/huoqu/" target="_blank" class="keywords">获取</a>实体的类型 objType = ite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>GetType(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--用反射的方式 获得<a href="http://code.js-code.com/tag/shuxing/" target="_blank" class="keywords">属性</a>对应的值 displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Displa<a href="http://code.js-code.com/tag/ym/" target="_blank" class="keywords">ym</a>emberPath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo = objType.GetProperty(thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValuePath<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> break; } TreeViewItem treeviewitem = tvList.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem as TreeViewItem; //--当前要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的文本 <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng displayText = treeviewite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Header.To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> //--当前选择的值 thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValue = treeviewite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag.To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> cbItemDisplay.Content = displayText;//设置Combo<a href="http://code.js-code.com/tag/Box/" target="_blank" class="keywords">Box</a>要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的文本 //设置当前选择的项 foreach (var item in Items<a href="http://code.js-code.com/tag/sourc/" target="_blank" class="keywords">sourc</a><a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> <a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng selvalue = <a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedValueInfo.GetValue(item,null).To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng(<a href="http://code.js-code.com/tag/" target="_blank" class="keywords">);</a> if (!<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng.IsNullOrEmpty(sel<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a>) <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> if (treeviewite<a href="http://code.js-code.com/tag/m/" target="_blank" class="keywords">m.</a>Tag.To<a href="http://code.js-code.com/tag/Stri/" target="_blank" class="keywords">Stri</a>ng() == sel<a href="http://code.js-code.com/tag/value/" target="_blank" class="keywords">value)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> thi<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a><a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem = item; ; } } } } } private void cbMain_DropDownOpened(ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,EventArgs <a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //--打开时 隐藏要<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的项 cbItemDisplay.Visibility = Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Visibility.Collapsed; cbItemTreeView.Visibility = Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Visibility.Visible; } private void cbMain_DropDownClosed(ob<a href="http://code.js-code.com/tag/je/" target="_blank" class="keywords">je</a>ct sender,EventArgs <a href="http://code.js-code.com/tag/E/" target="_blank" class="keywords">E)</a> <a href="http://code.js-code.com/tag/" target="_blank" class="keywords">{</a> //--@L_<a href="http://code.js-code.com/tag/262/" target="_blank" class="keywords">262</a>_129@时，使<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>的项可见 cbItemDisplay.Visibility = Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Visibility.Visible; cbItemTreeView.Visibility = Sy<a href="http://code.js-code.com/tag/stem/" target="_blank" class="keywords">stem</a>.Window<a href="http://code.js-code.com/tag/s/" target="_blank" class="keywords">s.</a>Visibility.Collapsed; cbMain.<a href="http://code.js-code.com/tag/SELE/" target="_blank" class="keywords">SELE</a>ctedItem = cbItemDisplay;//设置当前的选中项为<a href="http://code.js-code.com/tag/xianshi/" target="_blank" class="keywords">显示</a>项 } } }