DispatcherTimer.Tick 이벤트

정의

네임스페이스:
System.Windows.Threading
어셈블리:
WindowsBase.dll

타이머 간격이 경과했을 때 발생합니다.

public:
 event EventHandler ^ Tick;
public event EventHandler Tick;
member this.Tick : EventHandler 
Public Custom Event Tick As EventHandler 
Public Event Tick As EventHandler

이벤트 유형

EventHandler

예제

다음 예제에서는 이벤트 처리기를 만듭니다 Tick . 이벤트 처리기는 현재 두 번째를 표시하는 업데이트를 업데이트 Label 하고 InvalidateRequerySuggestedCommandManager.

//  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();
}

'  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 Sub dispatcherTimer_Tick(ByVal sender As Object, ByVal e As EventArgs)
    ' Updating the Label which displays the current second
    lblSeconds.Content = Date.Now.Second

    ' Forcing the CommandManager to raise the RequerySuggested event
    CommandManager.InvalidateRequerySuggested()
End Sub

적용 대상