public void AddAction( UndoableAction action )
{
if( action == null )
{
throw new ArgumentNullException( "action" );
}
_actions.Add( action );
}
public void AddAction( UndoableAction action )
{
if( action == null )
{
throw new ArgumentNullException( "action" );
}
if( _changing.IsActive )
{
return;
}
if( _composites.Count > 0 )
{
CompositeUndoableAction composite = _composites.Peek();
composite.AddAction( action );
}
else
{
_actions.RemoveRange( _position, _actions.Count - _position );
_actions.Add( action );
if( _actions.Count > _maxItems )
{
_actions.RemoveAt( 0 );
}
_position = _actions.Count;
OnChanged( EventArgs.Empty );
}
}
