LTwain::SetPropertyCallBack

#include "ltwrappr.h"

virtual L_INT LTwain::SetPropertyCallBack (uCap, nStatus, pValue)

Called for each property set using LTwain::SetProperties.

Parameters

L_UINT uCap

The capability being set. For more information on capability values, refer to the TWAIN specification.

L_INT nStatus

This variable holds the value of the error that occurred while the property was being set.

L_VOID * pValue

Pointer to the original value. The user can cast this depending on the type of the property, and modify it.

Returns

Comments

This callback function will be enabled only if you enabled the callback functions by calling LBase::EnableCallBack(TRUE).

The user should not free the pValue parameter within this callback.

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.