This option can be used to override image data format during image saving.

ImagingSaveOverrideFormat = 130;

ImagingTypes (at line 178)

If set to format different from ifUnknown all images to be saved are automaticaly internaly converted to this format. Note that image file formats support only a subset of Imaging data formats so final saved file may in different format than this override. Allowed values are in range and default value is ifUnknown.