本文整理匯總了VB.NET中System.Windows.Input.CanExecuteRoutedEventArgs.Command屬性的典型用法代碼示例。如果您正苦於以下問題:VB.NET CanExecuteRoutedEventArgs.Command屬性的具體用法?VB.NET CanExecuteRoutedEventArgs.Command怎麽用?VB.NET CanExecuteRoutedEventArgs.Command使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類System.Windows.Input.CanExecuteRoutedEventArgs
的用法示例。
在下文中一共展示了CanExecuteRoutedEventArgs.Command屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: CanExecuteDisplayCommand
Private Sub CanExecuteDisplayCommand(ByVal sender As Object, ByVal e As CanExecuteRoutedEventArgs)
Dim command As RoutedCommand = TryCast(e.Command, RoutedCommand)
If command IsNot Nothing Then
If command Is MediaCommands.Play Then
If IsPlaying() = False Then
e.CanExecute = True
Else
e.CanExecute = False
End If
End If
If command Is MediaCommands.Stop Then
If IsPlaying() = True Then
e.CanExecute = True
Else
e.CanExecute = False
End If
End If
End If
End Sub