Description This method specifies the value of contrast of the scanner.
Usage ret = [form.]TWAIN. SetContrast lContrast
Returns ret Long Return TW_OK on success or an error code on failure.
Remarks lContrast Long Value of the contrast.
Programing Notes Important: Before scanning, if the scanner specific driver user interface is enabled, the driver most likely will overwrite the contrast value set by this method.
See Also GetContrast Method