TwainEnableDuplex Method (GdPictureImaging)

In This Topic

Asks to the opened source to enable or disable the duplex scanning mode.

Syntax

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'Declaration
 
Public Function TwainEnableDuplex( _
   ByVal Duplex As Boolean _
) As Boolean

public bool TwainEnableDuplex( 
   bool Duplex
)

public function TwainEnableDuplex( 
    Duplex: Boolean
): Boolean;

public function TwainEnableDuplex( 
   Duplex : boolean
) : boolean;

public: bool TwainEnableDuplex( 
   bool Duplex
)

public:
bool TwainEnableDuplex( 
   bool Duplex
)

Parameters

Duplex: Set True to enable duplex mode else False.

Return Value

True if success, else False -> 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 back of the acquired image, just another time an acquisition method. To get the TWAIN state, use the TwainGetState() method.

Reference

GdPictureImaging Class
GdPictureImaging Members
TwainGetState Method
TwainGetDuplexMode Method
TwainIsDuplexEnabled Method