想将在线地图加载到mapcntrol,用网上的方法加载之后是空白,网上百度到的是
IPropertySet pPropertyset = new PropertySetClass();
pPropertyset.SetProperty("url", "http://t0.tianditu.com/vec_c/wmts");
IWMTSConnectionFactory pWMTSConnectionfactory = new WMTSConnectionFactory();
IWMTSConnection pWMTSConnection = pWMTSConnectionfactory.Open(pPropertyset, 0, null);
IWMTSLayer pWMTSLayer = new WMTSLayer();
IName pName = pWMTSConnection.FullName;
pWMTSLayer.Connect(pName);
axMapControl1.AddLayer(pWMTSLayer as ILayer);
axMapControl1.Refresh();