internal static extern int /*HRESULT*/ CreateBitmap( IntPtr THIS_PTR, UInt32 width, UInt32 height, ref Guid pixelFormatGuid, WICBitmapCreateCacheOptions options, out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);
internal static extern int /*HRESULT*/ CreateBitmapFromSource( IntPtr THIS_PTR, SafeMILHandle /* IWICBitmapSource */ pIBitmapSource, WICBitmapCreateCacheOptions options, out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);