FairyGUI.GSlider.__gripTouchBegin C# (CSharp) Method

        private void __gripTouchBegin(EventContext context)
        {
            InputEvent evt = context.inputEvent;
            _touchId = evt.touchId;

            _clickPos = this.GlobalToLocal(new Vector2(evt.x, evt.y));
            _clickPercent = (float)_value / _max;

            context.CaptureTouch();
            Stage.inst.onTouchMove.Add(_touchMoveDelegate);
        }