ManipulationProcessor2D.Started 事件
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
在开始新操作后发生。
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) 事件类型
示例
在以下示例中，事件的事件处理程序 Started 将检查是否正在运行惯性处理，如果正在运行，则会停止它。
#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
