public HRESULT DrawGradientMesh(ID2D1GradientMesh *gradientMesh)
 {
     return(((delegate * unmanaged <ID2D1CommandSink4 *, ID2D1GradientMesh *, int>)(lpVtbl[30]))((ID2D1CommandSink4 *)Unsafe.AsPointer(ref this), gradientMesh));
 }
 public int DrawGradientMesh([NativeTypeName("ID2D1GradientMesh *")] ID2D1GradientMesh *gradientMesh)
 {
     return(((delegate * unmanaged <ID2D1CommandSink3 *, ID2D1GradientMesh *, int>)(lpVtbl[30]))((ID2D1CommandSink3 *)Unsafe.AsPointer(ref this), gradientMesh));
 }