/// <summary>
 /// Initializes the mouse controller with grid it operates on
 /// </summary>
 /// <param name="grid"></param>
 public DragFieldMouseController(GridControlBaseImp grid)
     : base(grid)
 {
     clickCellsController = new GridClickCellsMouseController(grid);
 }
 /// <summary>
 /// Initializes the object with the grid it is bound to.
 /// </summary>
 public DragFieldMouseControllerBase(GridControlBaseImp grid)
 {
     this._grid = grid;
 }