Help Version 19.0.2017.10.27
References ▼
#include "ltwrappr.h"
virtual L_INT LTwain::SetPropertyCallBack (uCap, nStatus, pValue)
L_UINT uCap; |
capability being set |
L_INT nStatus; |
status variable |
L_VOID * pValue; |
pointer to the original value |
Called for each property set using LTwain::SetProperties.
Parameter |
Description |
uCap |
The capability being set. For more information on capability values, refer to the Twain 1.9 Specification, available at www.twain.org. |
nStatus |
This variable holds the value of the error that occurred while the property was being set. |
pValue |
Pointer to the original value. The user can cast this depending on the type of the property, and modify it. |
SUCCESS |
The function was successful. |
TWAIN_SUCCESS_RETRY |
Retry with the new value in *pValue parameter. |
TWAIN_SUCCESS_ABORT |
Abort the negotiation. |
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. |