Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / TwainGetAvailableCompressionNo Method
Index of the available file format value. Must be a value between 1 and TwainGetAvailableCompressionCount() returned value.





In This Topic
    TwainGetAvailableCompressionNo Method (GdPictureImaging)
    In This Topic
    Returns an available compression value which can be used by the opened source in its current configuration for file transfer mode.
    Syntax
    'Declaration
     
    
    Public Function TwainGetAvailableCompressionNo( _
       ByVal Number As Integer _
    ) As TwainCompression
    public TwainCompression TwainGetAvailableCompressionNo( 
       int Number
    )
    public function TwainGetAvailableCompressionNo( 
        Number: Integer
    ): TwainCompression; 
    public function TwainGetAvailableCompressionNo( 
       Number : int
    ) : TwainCompression;
    public: TwainCompression TwainGetAvailableCompressionNo( 
       int Number
    ) 
    public:
    TwainCompression TwainGetAvailableCompressionNo( 
       int Number
    ) 

    Parameters

    Number
    Index of the available file format value. Must be a value between 1 and TwainGetAvailableCompressionCount() returned value.

    Return Value

    If fail, returns -1 else if success, The selected compression value. A member of the TwainCompression enumeration.
    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