/// <summary>
/// Internal <b>DO</b> action with no error checking
/// </summary>
/// <param name="m"></param>
private void _Do(IMemento <T> m)
{
redoStack.Clear();
undoStack.Push(m);
}
/// <summary>
/// Clear the entire undo and redo stacks.
/// </summary>
public void Clear()
{
undoStack.Clear();
redoStack.Clear();
}
/// <summary>
/// Clear the entire undo and redo stacks
/// </summary>
public void Clear()
{
_undoStack.Clear();
_redoStack.Clear();
}