| C1.WPF.DX.4 Assembly > C1.Util.DX.DXGI Namespace > ISurfaceImageSourceNativeWithD2D Class : BeginDraw Method |
'Declaration Public Sub BeginDraw( _ ByVal updateRect As RectL, _ ByVal iid As System.Guid, _ ByRef updateObject As System.IntPtr, _ ByRef offset As Point2L _ )
public void BeginDraw( RectL updateRect, System.Guid iid, out System.IntPtr updateObject, out Point2L offset )