TouchEventArgs.TouchDevice Properti

Definisi

Ruang nama:

System.Windows.Input

Rakitan:

PresentationCore.dll

Mendapatkan sentuhan yang menghasilkan peristiwa.

public:
 property System::Windows::Input::TouchDevice ^ TouchDevice { System::Windows::Input::TouchDevice ^ get(); };

public System.Windows.Input.TouchDevice TouchDevice { get; }

member this.TouchDevice : System.Windows.Input.TouchDevice

Public ReadOnly Property TouchDevice As TouchDevice

Nilai Properti

TouchDevice

Sentuhan yang menghasilkan peristiwa.

Contoh

Contoh berikut menangani TouchUp peristiwa yang terjadi pada Canvas. Ini memeriksa Captured properti untuk memverifikasi bahwa perangkat yang menaikkan peristiwa diambil ke Canvas. Jika ya, dirilis TouchDevice .

Contoh ini adalah bagian dari contoh yang lebih besar yang tersedia dalam gambaran TouchDevice umum kelas.

private void canvas_TouchUp(object sender, TouchEventArgs e)
{
    Canvas _canvas = (Canvas)sender as Canvas;
    if (_canvas != null && e.TouchDevice.Captured == _canvas)
    {
        _canvas.ReleaseTouchCapture(e.TouchDevice);
    }
}

' Touch Up
Private Sub canvas_TouchUp(ByVal sender As System.Object, ByVal e As System.Windows.Input.TouchEventArgs)
    Dim _canvas As Canvas = CType(sender, Canvas)
    If (_canvas IsNot Nothing AndAlso e.TouchDevice.Captured Is _canvas) Then
        _canvas.ReleaseTouchCapture(e.TouchDevice)

    End If
End Sub