ManipulationProcessor2D.Started 事件

定義

命名空間:

System.Windows.Input.Manipulations

組件:

System.Windows.Input.Manipulations.dll

發生於新的操作已經開始時。

public:
 event EventHandler<System::Windows::Input::Manipulations::Manipulation2DStartedEventArgs ^> ^ Started;

public event EventHandler<System.Windows.Input.Manipulations.Manipulation2DStartedEventArgs> Started;

member this.Started : EventHandler<System.Windows.Input.Manipulations.Manipulation2DStartedEventArgs> 

Public Custom Event Started As EventHandler(Of Manipulation2DStartedEventArgs) 

事件類型

EventHandler<Manipulation2DStartedEventArgs>

範例

在下列範例中 Started ，事件的事件處理常式會檢查是否正在執行慣性處理，如果是，則會將其停止。

#region OnManipulationStarted
private void OnManipulationStarted(object sender, Manipulation2DStartedEventArgs e)
{
    if (inertiaProcessor.IsRunning)
    {
        inertiaProcessor.Complete(Timestamp);
    }
}
#endregion

#region Timestamp
private long Timestamp
{
    get
    {
        // Get timestamp in 100-nanosecond units.
        double nanosecondsPerTick = 1000000000.0 / System.Diagnostics.Stopwatch.Frequency;
        return (long)(System.Diagnostics.Stopwatch.GetTimestamp() / nanosecondsPerTick / 100.0);
    }
}
#endregion