TreeView的SelectedItem不支持MVVM绑定: 因为它是只读的。有时候我们就需要对它进行绑定 1.使用自定义Behavior需要引用System.Windows.Interactivity.dll自定义Behavior如下: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39...
我想到的办法是将权限绑定到TreeView控件的SelectedItemChanged方法,也就是说点击My Publications下面的子节点时,Modify和Delete两个Button控件是可见的,点击My Subscriptions下面的子节点时,Unsubscribe这个Button控件是可见的。 对于SelectedItemChanged使用MVVM绑定,使用到了System.Windows.Interactivity程序集。 XAML代码 注:...
原文:MVVM里绑定TreeView控件的SelectedItem <TreeView x:Name="treeView"> </TreeView>
obj.SetValue(SelectedItemProperty, value); } // Using a DependencyProperty as the backing store for SelectedItem. This enables animation, styling, binding, etc... public static readonly DependencyProperty SelectedItemProperty = DependencyProperty.RegisterAttached("SelectedItem", typeof(object), typeof(...
之前使用Button控件作为TreeViewItem,然后为Button的Command属性绑定事件。更新为直接将事件绑定为TreeView的SelectedItemChanged属性,同样可以实现一样的效果。详情可见: 2021.12.14 关于TreeView控件的demo: WPF中常用控件(TreeView, ComboBox, DataGrid, ListView)使用MVVM模式绑定的demo - 南风小斯...
1.TreeView选择事件执行两次 Very often, we need to execute some code in SelectedItemChanged ...
Binding properties in MVVM pattern Binding SelectedItem TreeView support to select the items through binding the SelectedItem property from view model by implementing the INotifyPropertyChanged interface that gives the call back notification to UI. XAML C# <syncfusion:SfTreeView x:Name="sfTreeView"...
创建TreeView控件时,插入几个项,然后使用TVM_SELECTITEM选择默认项。但此项目不以蓝色突出显示。稍后,如果我使用鼠标或键盘选择一个项目,它将被高亮显示。这是我使用的函数和参数: 我刚刚发现,我只需要将注意力集中在TreeView但是,即使当TreeView失去了焦点 ...
MessageBox.Show("选中的是"+ SelectedTreeItem.Name); } else SelectedTreeItem =null; } } #endregion #region 选中的数据 publicMyTree SelectedTreeItem { get; set; } #endregion #region 创建树 publicvoidCreateTreeWithChildre( MyTree children,bool? isChecked) ...
1.TreeView选择事件执行两次 Very often, we need to execute some code in SelectedItemChanged depending on the selected TreeViewItem. ButSelectedItemChanged is called twic...