ManipulationProcessor2D.Started 事件
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
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)
Public Event Started As EventHandler(Of Manipulation2DStartedEventArgs)
事件類型
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