Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / TwainGetCompression Method

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    TwainGetCompression Method (GdPictureImaging)
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    Returns the current image compression used by the selected twain source for file transfer mode.
    Public Function TwainGetCompression() As TwainCompression
    public TwainCompression TwainGetCompression()
    public function TwainGetCompression(): TwainCompression; 
    public function TwainGetCompression() : TwainCompression;
    public: TwainCompression TwainGetCompression(); 
    TwainCompression TwainGetCompression(); 

    Return Value

    Current file format to use in file transfer mode. A member of the TwainCompression enumeration. TWCP_UNSUPPORTED If it is not supported by the current device (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.
    See Also