		ColorDepth (TFPWriterPAM)
	ro	FramesInfo (TFPCustomImageWriter)
	ro	FramesWritten (TFPCustomImageWriter)
		FullWidth (TFPWriterPAM)
pt	ro	TheImage (TFPCustomImageHandler)
pt	ro	TheStream (TFPCustomImageHandler)
		UseAlpha (TFPWriterPAM)