public void ReverseUndo()
{
IBackableCommand command = (IBackableCommand)this.reverseStack.Pop();
if (command == null)
{
return;
}
command.Excute();
this.undoStack.Push((ICommand)command.Clone());
UndoStateChanged(this.undoStack.Count > 0);
}
public void Undo()
{
IBackableCommand command = (IBackableCommand)undoStack.Pop();
if (command == null)
{
return;
}
command.Undo();
reverseStack.Push((ICommand)command.Clone());
UndoStateChanged(undoStack.Count > 0);
//UndoStateChanged(reverseStack.Count > 0);
}
