/// <summary>
/// 添加图元
/// </summary>
/// <param name="kml"></param>
/// <param name="layer"></param>
/// <returns></returns>
public IMFElement CreateElement(Kml kml, ILayer layer)
{
KmlCircle circleKml = kml.Placemark.Graph as KmlCircle;
if (circleKml.Position == null)
{
return(null);
}
int index = -1;
Circle_ArcGlobe circleElement = null;
this.Dosomething((Action) delegate()
{
//图元
IGlobeGraphicsLayer graphicsLayer = layer as IGlobeGraphicsLayer;
circleElement = new Circle_ArcGlobe(graphicsLayer, circleKml);
IGlobeGraphicsElementProperties properties = new GlobeGraphicsElementPropertiesClass();
properties.Rasterize = circleKml.Rasterize;
graphicsLayer.AddElement(circleElement, properties, out index);
circleElement.Index = index;
circleElement.ElementName = kml.Placemark.Name;
}, true);
return(circleElement);
}
/// <summary>
/// 移除图元
/// </summary>
/// <param name="element"></param>
/// <param name="layer"></param>
/// <returns></returns>
public bool RemoveElement(IMFElement element, ILayer layer)
{
if (element == null)
{
return(true);
}
IGraphicsContainer graphicsLayer = layer as IGraphicsContainer;
if (graphicsLayer == null)
{
return(true);
}
Circle_ArcGlobe circleElement = element as Circle_ArcGlobe;
graphicsLayer.DeleteElement(circleElement);
return(true);
}
