How to Unerase the erased UIImage

Question

Hi Guys I am trying a Image erasing code in my PanGesture I am using code below:

 UIImage * image  = [UIImage imageNamed:@\"326d4fb72362a2e44659141cadfc4977         


        

Answer 1

Save a temporary image after every drawing operation.
You should save on temporary files and limit the number of undo operations.