code: function ( state ) {
              if ( MS_POINTER ) {
                  this._target.style[TOUCH_ACTION] = state;//none, auto
                  //마우스로 컨트롤시 드래그 방지
      
                  if ( state == 'auto' ) {
                      this._target.removeEventListener( 'dragstart', this._dragHandlr, false );
                  } else {
                      this._target.addEventListener( 'dragstart', this._dragHandlr, false );
                      //this._target.addEventListener( 'selectstart', function (e) {e.preventDefault();}, false );
                  }
              }
          }
docs: Touch Pointer Event를 이용할때 이벤트전달 설정