本文整理匯總了C#中System.Windows.Input.CommandManager.InvalidateRequerySuggested方法的典型用法代碼示例。如果您正苦於以下問題:C# CommandManager.InvalidateRequerySuggested方法的具體用法?C# CommandManager.InvalidateRequerySuggested怎麽用?C# CommandManager.InvalidateRequerySuggested使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了CommandManager.InvalidateRequerySuggested方法的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C#代碼示例。
示例1: dispatcherTimer_Tick
// System.Windows.Threading.DispatcherTimer.Tick handler
//
// Updates the current seconds display and calls
// InvalidateRequerySuggested on the CommandManager to force
// the Command to raise the CanExecuteChanged event.
private void dispatcherTimer_Tick(object sender, EventArgs e)
{
// Updating the Label which displays the current second
lblSeconds.Content = DateTime.Now.Second;
// Forcing the CommandManager to raise the RequerySuggested event
CommandManager.InvalidateRequerySuggested();
}