数据的绑定没有问题,界面没有问题,奇怪的是IsSelected可以正常绑定,但是IsExpanded就是不行,后来发现这两个属性唯一的区别就是在TreeView的式样中 1<Style.Triggers>2<DataTrigger Binding="{Binding Deepth}"Value="1">3<Setter Property="IsExpanded"Value="True"/>4</
SetAnchorItem(tree, GetExpandedTreeViewItems(tree).Skip(3).FirstOrDefault()); }if(GetAnchorItem(tree) ==null) {return; } }varanchor =GetAnchorItem(tree);varitems =GetExpandedTreeViewItems(tree);boolbetweenBoundary =false;foreach(variteminitems) {boolisBoundary = item == anchor || item ...
TreeView 部件 TreeView控件没有任何命名的部件。 创建ControlTemplate用于TreeView时,模板可能在ItemsPresenter中包含ScrollViewer。 (ItemsPresenter显示TreeView中的每个项;ScrollViewer在控件内启用滚动)。 如果ItemsPresenter不是ScrollViewer的直接子级,则必须给ItemsPresenter赋予名称ItemsPresenter。
A tree can be generated from a bound data structure or rendered on demand when child nodes are dynamically created and initialized when their parent node is expanded. And of course, you can switch to the unbound mode and manually create and populate the tree as business needs dictate. ...
展开和折叠 TreeViewItem 如果用户展开TreeViewItem,则IsExpanded属性设置为true。 还可以通过将TreeViewItem属性设置为IsExpanded(展开)或true(折叠)来展开或折叠false,而无需任何直接用户操作。 当此属性发生更改时,会发生Expanded或Collapsed事件。 在BringIntoView控件上调用TreeViewItem方法时,TreeViewItem及其父TreeView...
HierarchicalDataTemplate, TreeView, Binding and IsExpanded Highlight an Item in ItemsControl on mouse click Highlight Searched Text in WPF ListView Highlight text in RichTextBox Highlight the first row in the data grid Highlighting Parsed Text In a Textbox Horizontal scrolling doesn't work for ...
它可以在树状层次结构中显示项目。我希望能够使用代码(C#)通过绑定到TreeViewItems的属性在TreeView中展开...
set its foreground to Green.--><StyleTargetType="TreeViewItem"><SetterProperty="IsExpanded"Value="True"/><SetterProperty="Foreground"Value="Green"/></Style></TreeView.ItemContainerStyle></TreeView></StackPanel> 下列範例顯示上一個範例使用的資料。
HierarchicalDataTemplate, TreeView, Binding and IsExpanded Highlight an Item in ItemsControl on mouse click Highlight Searched Text in WPF ListView Highlight text in RichTextBox Highlight the first row in the data grid Highlighting Parsed Text In a Textbox Horizontal scrolling doesn't work for L...
如果管理员需要访问注册表项，则解决方案是启用SE_TAKE_OWNERSHIP_NAME权限并使用WRITE_OWNER访问权限打开...