/// <summary>
/// Zoom map to a feature layer's extent. If its SR is different than the base map's, re-project the extent
/// </summary>
private void MenuItemZoomTo_Click(object sender, MenuItemClickEventArgs e)
{
HideConextMenu();
if (e.ItemTag is LivingMapLayer)
{
LivingMapLayer mapConfig = e.ItemTag as LivingMapLayer;
Envelope extent = this.MapControl.Layers[mapConfig.ID].FullExtent;
if (!SpatialReference.AreEqual(extent.SpatialReference, this.MapControl.SpatialReference, false))
{
GeometryTool.ProjectEnvelope(this.AppConfig.GeometryService, extent, this.MapSRWKID, (s, g) =>
{
if (g.ProjectedGeometry != null)
{
this.MapControl.ZoomTo(g.ProjectedGeometry);
}
});
}
else
{
this.MapControl.ZoomTo(extent);
}
}
else if (e.ItemTag is TOCNodeInfo)
{
TOCNodeInfo nodeInfo = e.ItemTag as TOCNodeInfo;
if (nodeInfo.LayerExtent == null)
{
this.IsBusy = true;
Layer layer = this.MapControl.Layers[nodeInfo.MapID];
string layerUrl = (nodeInfo.IsTiledMap) ? (layer as ArcGISTiledMapServiceLayer).Url : (layer as ArcGISDynamicMapServiceLayer).Url;
ArcGISLayerInfoReader layerInfoReader = new ArcGISLayerInfoReader(layerUrl + "/" + nodeInfo.LayerID);
layerInfoReader.InfoReady += (obj, arg) =>
{
if (!SpatialReference.AreEqual(arg.LayerInfo.Extent.SpatialReference, this.MapControl.SpatialReference, false))
{
GeometryTool.ProjectEnvelope(this.AppConfig.GeometryService, arg.LayerInfo.Extent, this.MapSRWKID, (s, g) =>
{
this.IsBusy = false;
if (g.ProjectedGeometry != null)
{
nodeInfo.LayerExtent = g.ProjectedGeometry as Envelope;
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
});
}
else
{
this.IsBusy = false;
nodeInfo.LayerExtent = nodeInfo.LayerExtent = arg.LayerInfo.Extent;
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
};
}
else
{
this.MapControl.ZoomTo(nodeInfo.LayerExtent);
}
}
}