TwainGetDuplexMode Method (GdPictureImaging)

In This Topic

Returns the duplex scanning support.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function TwainGetDuplexMode() As Integer

public int TwainGetDuplexMode()

public function TwainGetDuplexMode(): Integer;

public function TwainGetDuplexMode() : int;

public: int TwainGetDuplexMode();

public:
int TwainGetDuplexMode();

Return Value

Can be: 0 = no support (or error) -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() methods for diagnosing the error. 1 = 1-pass duplex 2 = 2-pass duplex

Remarks

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
TwainEnableDuplex Method
TwainIsDuplexEnabled Method
TwainGetLastConditionCode Method
TwainGetLastResultCode Method