//------------------------------------
        public override void RemoveChild(sc2i.drawing.I2iObjetGraphique child)
        {
            C2iWndDataGrid grid = Parent as C2iWndDataGrid;

            if (grid != null)
            {
                grid.RemoveChild(this);
            }
        }
 //------------------------------------
 public override void DeleteChild(sc2i.drawing.I2iObjetGraphique child)
 {
     RemoveChild(child);
 }