/// <summary>
/// 移除图元
/// </summary>
/// <param name="element">图元对象</param>
/// <param name="layerName">图元名称</param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, string layerName)
{
Circle_Mgis circleMgis = element as Circle_Mgis;
return(mapControl.MgsDelObject(circleMgis.ElementName) == 1 ? true : false);
//return mapControl.destroyMoveObject(Convert.ToUInt64(circleMgis.ElementPtr)) == 1 ? true : false;
}
/// <summary>
/// 创建图元
/// </summary>
/// <param name="kml">kml对象</param>
/// <param name="layerName">图元名称</param>
/// <returns></returns>
public Core.Interface.IMFElement CreateElement(Core.Model.Kml kml, string layerName)
{
//MapFrame.Core.Model.KmlCircle kmlCircle = kml.Placemark.Graph as MapFrame.Core.Model.KmlCircle;
//Circle_Mgis circleMgis = new Circle_Mgis(kml,mapControl);
//if (kmlCircle.Position == null || kmlCircle.RandomPosition == null || kml.Placemark.Name == string.Empty) return null;
//List<MapLngLat> listPoints = new List<MapLngLat>();
//listPoints.Add(kmlCircle.Position);
//listPoints.Add(kmlCircle.RandomPosition);
//float[] vertex = new float[4];
//IntPtr ptrVert = Marshal.AllocHGlobal(sizeof(float) * 4);
//vertex[0] = (float)listPoints[0].Lng;
//vertex[1] = (float)listPoints[0].Lat;
//vertex[2] = (float)listPoints[1].Lng;
//vertex[3] = (float)listPoints[1].Lat;
//Marshal.Copy(vertex, 0, ptrVert, vertex.Length);
//mapControl.MgsDrawLineSymByJBID(kml.Placemark.Name, 16, (ulong)(ptrVert.ToInt64()), 2);
//Marshal.FreeHGlobal(ptrVert);
//if (kmlCircle.StrokeColor.ToArgb() != System.Drawing.Color.Black.ToArgb() || kmlCircle.FillColor.ToArgb() != 0)
//{
// mapControl.MgsUpdateSymFillColor(kml.Placemark.Name, kmlCircle.FillColor.R, kmlCircle.FillColor.G, kmlCircle.FillColor.B, kmlCircle.FillColor.A);
// mapControl.MgsUpdateSymColor(kml.Placemark.Name, kmlCircle.StrokeColor.R, kmlCircle.StrokeColor.G, kmlCircle.StrokeColor.B, kmlCircle.StrokeColor.A);
//}
//circleMgis.SetCircleName(kml.Placemark.Name);
//circleMgis.SetListPoint(listPoints);
//circleMgis.ElementType = ElementTypeEnum.Circle;
Circle_Mgis circleMgis = new Circle_Mgis(kml, mapControl);
return(circleMgis);
}