GdPicture.NET.14.API~GdPicture14.GdPictureImaging~TwainGetAvailableCapValuesCount - TwainGetAvailableCapValuesCount Method (GdPictureImaging) -

public int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
)

public function TwainGetAvailableCapValuesCount( 
    Cap: TwainCapabilities
): Integer;

public function TwainGetAvailableCapValuesCount( 
   Cap : TwainCapabilities
) : int;

public: int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
)

public:
int TwainGetAvailableCapValuesCount( 
   TwainCapabilities Cap
)

'Declaration
 
Public Function TwainGetAvailableCapValuesCount( _
   ByVal Cap As TwainCapabilities _
) As Integer

Parameters

Cap: A member of the TwainCapabilities enumeration.

Return Value

If Success, non zero: Number of values available for the selected TWAIN capability. Else 0 if fail -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error.

Before using this method check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN) To get the TWAIN state, use the TwainGetState() method.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method