arcgis api for js 4.x 如何控制地图拖动

this.view.when(function () {

            //禁止通过键盘+-缩放地图

            this.view.on("key-down", function(event){

                var prohibitedKeys = [ "+", "-", "Shift", "_", "=" ];

                var keyPressed = event.key;

                if(prohibitedKeys.indexOf(keyPressed) !== -1){

                    event.stopPropagation();

                }

            });

            //禁止滚轮缩放地图

            this.view.on("mouse-wheel", function(event){

                event.stopPropagation();

            });

            //禁止双击放大

            this.view.on("double-click", function(event){

                event.stopPropagation();

            });

            //禁止Ctrl+双击缩小

            this.view.on("double-click", ["Control"], function(event){

                event.stopPropagation();

            });

            //禁止移动地图

            this.view.on("drag", function(event){

                event.stopPropagation();

            });

            // 禁止通过上下左右箭头移动地图

            this.view.on("key-down", function(event){

                // prevents panning with the arrow keys

                var keyPressed = event.key;

                if(keyPressed.slice(0,5) === "Arrow"){

                    event.stopPropagation();

                }

            });

            //禁止Shift+拖拽拉框放大

            this.view.on("drag", ["Shift"], function(event){

                event.stopPropagation();

            });

            //禁止Shift+Ctrl+拖拽拉框缩小

            this.view.on("drag", ["Shift", "Control"], function(event){

                event.stopPropagation();

            });

       });