610 stdcall GdipFindFirstImageItem(ptr ptr)
611 stub GdipFindNextImageItem
612 stdcall GdipGetImageItemData(ptr ptr)
-613 stdcall -stub GdipCreateEffect(ptr ptr)
+613 stdcall GdipCreateEffect(int128 ptr)
614 stdcall GdipDeleteEffect(ptr)
615 stub GdipGetEffectParameterSize
616 stub GdipGetEffectParameters
620 stdcall GdipBitmapApplyEffect(ptr ptr ptr long ptr ptr)
621 stub GdipBitmapGetHistogram
622 stub GdipBitmapGetHistogramSize
-623 stub GdipBitmapConvertFormat
+623 stdcall GdipBitmapConvertFormat(ptr long long long ptr float)
624 stdcall GdipImageSetAbort(ptr ptr)
625 stub GdipGraphicsSetAbort
626 stub GdipDrawImageFX