LRasterPaintWindow::Undo

#include "Ltwrappr.h"

L_INT LRasterPaintWindow::Undo()

Undoes the last automation operation performed in the class object's container.

Returns

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

Comments

LRasterPaintWindow::Undo must be called at least once in order to perform a "redo" using LRasterPaintWindow::Redo.

To determine whether an automation operation can be undone, call LRasterPaintWindow::CanUndo.

LRasterPaintWindow::Initialize must be called before calling this function.

Required DLLs and Libraries

LTPNT
LTDIS
LTFIL
LTAUT
LTCON
LTTLB

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

See Also

Functions:

LRasterPaintWindow::CanUndo, LRasterPaintWindow::CanRedo, Class Members

Example

L_INT LRasterPaintWindow_UndoExample(LRasterPaintWindow * pLRasterPntWnd) 
{
   L_INT nRet;
   if(pLRasterPntWnd->CanUndo ())
   {
      nRet =  pLRasterPntWnd->Undo();
      if(nRet != SUCCESS)
         return nRet;
   }
   else
      return FAILURE;
   return  SUCCESS;
}