FairyGUI.GObject.DragBegin C# (CSharp) Method

        private void DragBegin(int touchId)
        {
            if (draggingObject != null)
            {
                draggingObject.StopDrag();
                draggingObject = null;
            }

            _dragTouchId = touchId;
            sGlobalDragStart = Stage.inst.GetTouchPosition(touchId);
            sGlobalRect = this.LocalToGlobal(new Rect(0, 0, this.width, this.height));

            draggingObject = this;
            Stage.inst.onTouchEnd.Add(__touchEnd2);
            Stage.inst.onTouchMove.Add(__touchMove2);
        }