#include "BiTwain.h"
int CALLBACK twSetBrightness(int brightness)
Description
This function specifies the value of brightness of the scanner.
Important: Before scanning, if the scanner specific driver user interface is enabled, the driver most likely will overwrite the brightness value set by this function.
Parameters
|
int |
contrast |
Brightness value. |
Return values
Return TW_OK on success or an error code on failure.
Return TW_INVALIDPARAMETER if the resx parameter is invalid for the scanner.
Requirements
Header : Declared in BiTwain.h; include BiTwain.h.
Library : Use BiTwain.lib.
DLLs : BiTwain.dll.