public int CreateDeviceContext(D2D1_DEVICE_CONTEXT_OPTIONS options, [NativeTypeName("ID2D1DeviceContext6 **")] ID2D1DeviceContext6 **deviceContext6)
 {
     return(((delegate * stdcall <ID2D1Device6 *, D2D1_DEVICE_CONTEXT_OPTIONS, ID2D1DeviceContext6 **, int>)(lpVtbl[20]))((ID2D1Device6 *)Unsafe.AsPointer(ref this), options, deviceContext6));
 }
 public int CreateDeviceContext(D2D1_DEVICE_CONTEXT_OPTIONS options, ID2D1DeviceContext6 **deviceContext6)
 {
     return(((delegate * unmanaged <ID2D1Device6 *, D2D1_DEVICE_CONTEXT_OPTIONS, ID2D1DeviceContext6 **, int>)(lpVtbl[20]))((ID2D1Device6 *)Unsafe.AsPointer(ref this), options, deviceContext6));
 }