Question

ArcGis 中GraphicsLayer图层新加元素后地图怎样更新

Answer 1

是把图片放到MyGraphicsLayer图层中，后台没有获得。如下GraphicsLayermyTempGL=Map.Layers["myGraphicsLayer"]asGraphicsLayer;比如添加一个点的代码myTempGL代替graphicsLayerESRI.ArcGIS.Client.Projection.WebMercatormercator=newESRI.ArcGIS.Client.Projection.WebMercator();GraphicsLayermyTempGL=Map.Layers["myGraphicsLayer"]asGraphicsLayer;GraphicmyTempGraphic=newGraphic(){Geometry=mercator.FromGeographic(newMapPoint(111,22)),Symbol=LayoutRoot.Resources["RedMakerSymbol"]asSymbol};myTempGL.Graphics.Add(myTempGraphic);