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DTwainSource::GetCapOperations |
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Syntax LONG DTwainSource::GetCapOperations( LONG lCap ) const;
Return Value If successful, returns the available capability operations. If unsuccessful, CDTwainSource::InvalidLong is returned.
Comments The capability operations describe whether lCap supports DTWAIN_CAPGET, DTWAIN_CAPSETCURRENT, etc. The return value is the Boolean OR of the various operations defined below:
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