LRasterPaintWindow::Undo

#include "Ltwrappr.h"

L_INT LRasterPaintWindow::Undo()

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

Returns

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

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; 
}