You are here: GdPicture.NET > Documentation > Classes > GdPictureImaging Class > GdPictureImaging Methods > TWAIN Features > TwainGetBitDepthReduction Method
Returns Reduction Method the Source should use to reduce the bit depth of the data.
public TwainBitDepthReduction TwainGetBitDepthReduction();
Public Function TwainGetBitDepthReduction() As TwainBitDepthReduction
Bit Depth reduction. A member of the TwainBitDepthReduction enumeration. TWBR_UNSUPPORTED If it is not supported by the current device (Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.)
Before using this function check that the TWAIN state is 4 (TWAIN_SOURCE_OPEN)
To get the TWAIN state, use the TwainGetState() function.
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