Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / TwainGetAvailableCapValuesCount Method
A member of the TwainCapabilities enumeration.





In This Topic
    TwainGetAvailableCapValuesCount Method (GdPictureImaging)
    In This Topic
    Returns the number of available values for the selected TWAIN capability which can be used with it by the opened source in its current configuration.
    Syntax
    'Declaration
     
    
    Public Function TwainGetAvailableCapValuesCount( _
       ByVal Cap As TwainCapabilities _
    ) As Integer
    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
    ) 

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