发布时间:2018-09-30责任编辑:满帅 浏览:1060
步骤1、在你要设置的控件或页面里先新建对应的命令例如:也可以使用RouteCommand
<UserControl.Resources>
<RoutedUICommand x:Key="Cut" Text="剪切" />
<RoutedUICommand x:Key="Copy" Text="复制" />
<RoutedUICommand x:Key="Paste" Text="粘贴" />
<RoutedUICommand x:Key="Select" Text="全选" />
</UserControl.Resources>
也可使用外部类:
<Class:JianQieCommand x:Key="CutComd" />
<Class:FuZhiportCommand x:Key="CopyComd" />
步骤2、我们设置了这些命令就要把这些命令绑在对应的按键上
<UserControl.InputBindings>
<KeyBinding Gesture="Ctrl+X" Command="{StaticResource Cut}" />
<KeyBinding Gesture="Ctrl+C" Command="{StaticResource Copy}" />
<KeyBinding Gesture="Ctrl+V" Command="{StaticResource Paste}" />
</UserControl.InputBindings>
步骤3、这些命令该怎么运行呢?如果是外部类需写一个命令类实现ICommand接口:
public class JianQieCommand : ICommand
{
public event EventHandler CanExecuteChanged;
//执行命令的条件
public bool CanExecute(object parameter)
{
return true;
}
//执行鉴定命令的逻辑
public void Execute(object parameter)
{
}
}
其次、绑定本地方法: 例:
<Window.CommandBindings>
<CommandBinding Command="{StaticResource CloseWin}" Executed="PageClose_Click"/>
<CommandBinding Command="{StaticResource SelectAllFile}" Executed="SelectAllFile_Click"/>
</Window.CommandBindings>
方式2:可在全局窗口的xaml中绑定按键按下的事件
例如:
写控件或者窗体的KeyDown事件 PreviewKeyDown="Window_KeyDown"
private void Window_KeyDown(object sender, KeyEventArgs e)
{
try
{
if (e.Key == Key.Enter)
{
if (Keyboard.FocusedElement != null && Keyboard.FocusedElement == SearchTxt) Search_Click(SearchBtn, e);
//文件或者文件夹重命名
if (Keyboard.FocusedElement != null && Keyboard.FocusedElement.GetType().Name == "TextBox")
{
TextBox box = Keyboard.FocusedElement as TextBox;
FilesModel model = box.DataContext as FilesModel;
if (model != null) ReName_LostFocus(box, e);
}
Keyboard.ClearFocus();
}
//Ctrl+C 全选
if ((e.KeyboardDevice.IsKeyDown(Key.LeftCtrl) || e.KeyboardDevice.IsKeyDown(Key.RightCtrl)) && e.KeyboardDevice.IsKeyDown(Key.C))
{
if (Keyboard.FocusedElement != null && Keyboard.FocusedElement.GetType().Name == "TextBox") return;
CommandBinding_Copy(null, null);
}
//Ctrl+X 全选
if ((e.KeyboardDevice.IsKeyDown(Key.LeftCtrl) || e.KeyboardDevice.IsKeyDown(Key.RightCtrl)) && e.KeyboardDevice.IsKeyDown(Key.X))
{
if (Keyboard.FocusedElement != null && Keyboard.FocusedElement.GetType().Name == "TextBox") return;
CommandBinding_Cut(null, null);
}
//Ctrl+V 全选
if ((e.KeyboardDevice.IsKeyDown(Key.LeftCtrl) || e.KeyboardDevice.IsKeyDown(Key.RightCtrl)) && e.KeyboardDevice.IsKeyDown(Key.V))
{
if (Keyboard.FocusedElement != null && Keyboard.FocusedElement.GetType().Name == "TextBox") return;
CommandBinding_Paste(null, null);
}
//Ctrl+A 全选
if ((e.KeyboardDevice.IsKeyDown(Key.LeftCtrl) || e.KeyboardDevice.IsKeyDown(Key.RightCtrl)) && e.KeyboardDevice.IsKeyDown(Key.A))
{
SelectAllCheck.IsChecked = true;
SelectAll_Click(SelectAllCheck, e);
}
//Shift+D 删除
if ((e.KeyboardDevice.IsKeyDown(Key.LeftShift) || e.KeyboardDevice.IsKeyDown(Key.RightShift)) && e.KeyboardDevice.IsKeyDown(Key.Delete))
{
DeleteBtn_Click(null, e);
}
}
catch (Exception)
{
}
}
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