WPFはRoutedCommandカスタムコマンドを使用
1494 ワード
主なコードは次のとおりです.
/// <summary>
/// 。
/// </summary>
RoutedCommand ClearCommand = new RoutedCommand("Clear", typeof(MainWindow));
/// <summary>
/// 。 2014-7-30 06:23:10
/// </summary>
void InitializeCommand()
{
// 。
this.ClearCommand.InputGestures.Add(new KeyGesture(Key.C, ModifierKeys.Alt));
// 。
this.Button1.Command = this.ClearCommand;
// 。
this.Button1.CommandTarget = this.TextBoxA;
// 。
CommandBinding cb = new CommandBinding();
cb.Command = this.ClearCommand;
cb.CanExecute += new CanExecuteRoutedEventHandler(cb_CanExecute);
cb.Executed += new ExecutedRoutedEventHandler(cb_Executed);
this.StackPanel1.CommandBindings.Add(cb);
}
/// <summary>
/// 。 2014-7-30 06:27:16
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void cb_Executed(object sender, ExecutedRoutedEventArgs e)
{
this.TextBoxA.Clear();
e.Handled = true;
}
/// <summary>
/// 。 2014-7-30 06:26:20
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void cb_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (string.IsNullOrEmpty(this.TextBoxA.Text) == true) e.CanExecute = false;
else e.CanExecute = true;
e.Handled = true;
}