Question

我正在使用DirectionsManager类尝试Bing Maps v8。文档描述了dragDropCompleted事件，如下面的链接：

https://msdn.microsoft.com/pt-br/library/hh312802.aspx

我创建了一个基于Bing Maps Interactive SDK的示例：

http://www.bing.com/api/maps/sdk/mapcontrol/isdk#directionsEvent_directionsUpdated+JS

但是当我运行脚本时出现错误：

错误：无法读取未定义的属性“添加”

有人可以帮助我吗？

 var map = new Microsoft.Maps.Map(document.getElementById('myMap'), {
    credentials: 'Your Bing Maps Key',
    center: new Microsoft.Maps.Location(47.606209, -122.332071),
    zoom: 12
 });

 Microsoft.Maps.loadModule('Microsoft.Maps.Directions', function () {
    var directionsManager = new Microsoft.Maps.Directions.DirectionsManager(map);
    // Set Route Mode to driving
    directionsManager.setRequestOptions({ routeMode: Microsoft.Maps.Directions.RouteMode.driving });

    var waypoint1 = new Microsoft.Maps.Directions.Waypoint({ address: 'Redmond', location: new Microsoft.Maps.Location(47.67683029174805, -122.1099624633789) });
    var waypoint2 = new Microsoft.Maps.Directions.Waypoint({ address: 'Seattle', location: new Microsoft.Maps.Location(47.59977722167969, -122.33458709716797) });
    directionsManager.addWaypoint(waypoint1);
    directionsManager.addWaypoint(waypoint2);

    Microsoft.Maps.Events.addHandler(directionsManager, 'dragDropCompleted', function () {
        console.log('Drag & Drop Complete!');
    })

    directionsManager.calculateDirections();
 });

Answer 1

Bing Maps V8中没有dragDropCompleted事件。您引用的文档适用于较旧的V7映射API。在V8中，只需使用directionsUpdated事件即可。以下是DirectionsManager的V8文档：https://msdn.microsoft.com/en-US/library/mt750375.aspx

Bing Maps v8 - DirectionsManager - dragDropCompleted事件错误

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