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GdPictureImaging.TwainIsGammaAvailable Method
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Asks to the opened source if she can support the gamma correction capability.

C#
public Boolean TwainIsGammaAvailable();
Visual Basic
Public Function TwainIsGammaAvailable() As Boolean
Returns

TRUE if support gamma correction, 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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