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GdPictureImaging.TwainSetAutoBrightness Method
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Try to enable or disable autobrightness scanning.

C#
public Boolean TwainSetAutoBrightness(
    Boolean AutoBrightness
);
Visual Basic
Public Function TwainSetAutoBrightness(
    ByVal AutoBrightness As Boolean
) As Boolean
Parameters
Parameters 
Description 
AutoBrightness 
True to enable autobrightness, else False.  
Returns

TRUE if successful, FALSE otherwise -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.

Remarks

Before using this function check that the TWAIN state is TWAIN_SOURCE_OPEN (4) 

To get the TWAIN state, use the TwainGetState() function.

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