LTwain::GetDuplexOptions

#include "ltwrappr.h"

L_INT LTwain::GetDuplexOptions (pbEnableDuplex, pnDuplexMode)

L_BOOL * pbEnableDuplex;	/* pointer to a variable to be updated */
L_INT * pnDuplexMode;	/* pointer to the duplex mode */

Gets the current duplex mode and the enabled status of the current duplex mode for the current TWAIN source.

Parameter	Description
pbEnableDuplex	Pointer to a variable to be updated with a value that specifies whether the duplex mode is enabled or disabled. Possible values are:
	Value	Meaning
	TRUE	Duplex mode is enabled.
	FALSE	Duplex mode is disabled.
pnDuplexMode	Pointer to a variable to be updated with the duplex mode value.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This function gets the current duplex mode capability CAP_DUPLEX, and the duplex mode's enabled status capability CAP_DUPLEXENABLED values. For more information on these capabilities, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).

To enable or disable the duplex mode, call the LTwain::EnableDuplex function.

Required DLLs and Libraries

LTTWN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Functions:	LTwain::SetTransferOptions, LTwain::GetTransferOptions, LTwain::GetSupportedTransferMode, LTwain::SetResolution, LTwain::GetResolution, LTwain::SetImageFrame, LTwain::GetImageFrame, LTwain::SetImageUnit, LTwain::GetImageUnit, LTwain::SetImageBitsPerPixel, LTwain::GetImageBitsPerPixel, LTwain::SetImageEffects, LTwain::GetImageEffects, LTwain::SetAcquirePageOptions, LTwain::GetAcquirePageOptions, LTwain::SetRGBResponse, LTwain::ShowProgress, LTwain::EnableDuplex, LTwain::SetMaxXferCount, LTwain::GetMaxXferCount
Topics:	Getting and Setting Capabilities
	TWAIN Functionality: Capability Functions