/// <summary>
/// 打开地图
/// </summary>
/// <param name="map">需打开地图对象</param>
/// <returns>打开成功与否</returns>
/// <exception cref="System.ArgumentNullException">输入参数为空异常</exception>
public bool OpenMap(string mapname)
{
DoCheckWorkspaceArgument();
if (String.IsNullOrWhiteSpace(mapname))
{
throw new ArgumentNullException("mapname");
}
LsMap.Map.MapObj map = _workspace.GetMap(mapname);
return(DoOpenMap(map));
}
internal bool DoOpenMap(LsMap.Map.MapObj map)
{
if (map == null)
{
throw new ArgumentNullException("map");
}
_map = map;
_isOpen = true;
SetExtent(_map.DefaultExtent);
//this.Refresh();
if (MapOpen != null)
{
MapOpen(this, new EventArgs());
}
return(true);
}
/// <summary>
/// 关闭地图
/// </summary>
public void CloseMap()
{
_map = null;
_isOpen = false;
}
public bool OpenMap(int mapindex)
{
DoCheckWorkspaceArgument();
LsMap.Map.MapObj map = _workspace.Maps[mapindex];
return(DoOpenMap(map));
}
private void InitMap()
{
workspace = new Workspace.Workspace();
// WorkspaceConnection con = new WorkspaceConnection("E:\\lsmap.lsws",null,null);
// this.workspace.Open(con);
// return;
//添加数据源
LsMap.Data.Datasource dsrc = new LsMap.Data.FileDatasource(Application.StartupPath + @"\map.lsdb", "test");
dsrc.Open();
this.workspace.Datasources.Add(dsrc);
//添加地图
Map.MapObj map = new Map.MapObj("测试地图");
map.Datasources = this.workspace.Datasources;
map.DefaultExtent = new LsMap.Data.MapExtent(-50, 150, 250, -50);
Layer layer = null;
for (int i = 0; i < 20; i++)
{
layer = Map.MapHelper.GetLayer(dsrc, dsrc.GetDatatable("point"));
if (layer != null)
{
map.Layers.Add(layer);
layer.Map = map;
}
}
layer = Map.MapHelper.GetLayer(dsrc, dsrc.GetDatatable("line"));
if (layer != null)
{
map.Layers.Add(layer);
layer.Map = map;
}
layer = Map.MapHelper.GetLayer(dsrc, dsrc.GetDatatable("polygon"));
if (layer != null)
{
map.Layers.Add(layer);
layer.Map = map;
}
layer = Map.MapHelper.GetLayer(dsrc, dsrc.GetDatatable("test"));
if (layer != null)
{
map.Layers.Add(layer);
layer.Map = map;
}
layer = Map.MapHelper.GetLayer(dsrc, dsrc.GetDatatable("china"));
if (layer != null)
{
map.Layers.Add(layer);
layer.Map = map;
}
this.workspace.Maps.Add(map);
this.layerControl.MapControl = this.mapControl;
this.mapListControl.WorkSpace = this.workspace;
}
