public CarSeperateInvoker(
			CarSeperateCommand start,
			CarSeperateCommand moveforwards,
			CarSeperateCommand movebackwards,
			CarSeperateCommand stop,
			CarSeperateCommand undo)
        {
            this._start = start;
            this._moveforwards = moveforwards;
            this._movebackwards = movebackwards;
            this._stop = stop;
            this._undo = undo;
        }
 public CarSeperateInvoker(
     CarSeperateCommand start,
     CarSeperateCommand moveforwards,
     CarSeperateCommand movebackwards,
     CarSeperateCommand stop,
     CarSeperateCommand undo)
 {
     this._start         = start;
     this._moveforwards  = moveforwards;
     this._movebackwards = movebackwards;
     this._stop          = stop;
     this._undo          = undo;
 }