/// <summary>
/// 清空图层并保存
/// </summary>
public void ClearLayers()
{
IMapDocument pMapDoc = new MapDocumentClass();
string strfilename = AxMapControlMainMap.DocumentFilename;
pMapDoc.Open(strfilename, "");
pMapDoc.Map[0].ClearLayers();
pMapDoc.Save();
pMapDoc.Close();
AxMapControlMainMap.LoadMxFile(strfilename);
}
/// <summary>
/// 新建地图文档
/// </summary>
/// <param name="fileName">地图文档路径</param>
/// <param name="mapName">地图名称</param>
/// <param name="loadMapAfterBuilt">是否将地图文档加载到地图控件</param>
/// <returns></returns>
public IMapDocument NewMap(string fileName, string mapName = "图层", bool loadMapAfterBuilt = true)
{
IMapDocument mapDoc = new MapDocumentClass();
mapDoc.New(fileName);
mapDoc.Map[0].Name = mapName;
if (loadMapAfterBuilt)
{
AxMapControlMainMap.LoadMxFile(fileName);
}
return(mapDoc);
}
/// <summary>
/// 加载地图
/// </summary>
/// <param name="mxdFilePath"></param>
public void LoadFile(string mxdFilePath)
{
if (MapDoc != null && File.Exists(MapDoc.DocumentFilename))
{
MapDoc.Close();
}
MapDoc = new MapDocumentClass();
MapDoc.Open(mxdFilePath);
AxMapControlMainMap.LoadMxFile(mxdFilePath);
}
/// <summary>
/// 刷新地图
/// </summary>
public void RefreshMap()
{
AxMapControlMainMap.Refresh();
AxMapControlMainMap.Update();
}