/// <summary>
/// 连接到WMS服务器,载入WMS图层
/// </summary>
/// <param name="axMapControl1">axMapControl控件</param>
/// <param name="url">WMS服务器地址</param>
public static void Connect2WMS(AxMapControl axMapControl1, string url)
{
#region 初始化环境
IPropertySet pPropertyset = new PropertySetClass();
pPropertyset.SetProperty("url", url);
IWMSConnectionName pWMSConnectionName = new WMSConnectionNameClass();
pWMSConnectionName.ConnectionProperties = pPropertyset;
ILayerFactory pLayerFactory = new EngineWMSMapLayerFactoryClass();//Provides access to members that control the creation of layers through a factory.
IWMSGroupLayer pWmsMapLayer = new WMSMapLayerClass();
IDataLayer pDataLayer = pWmsMapLayer as IDataLayer;
pDataLayer.Connect(pWMSConnectionName as IName);
IWMSServiceDescription pWmsServiceDesc = pWmsMapLayer.WMSServiceDescription;
#endregion
#region 获取WMS图层
for (int i = 0; i < pWmsServiceDesc.LayerDescriptionCount; i++)
{
IWMSLayerDescription pWmsLayerDesc = pWmsServiceDesc.get_LayerDescription(i);
ILayer pNewLayer = null;
if (pWmsLayerDesc.LayerDescriptionCount == 0)
{
IWMSLayer pWmsLayer = pWmsMapLayer.CreateWMSLayer(pWmsLayerDesc);
pNewLayer = pWmsLayer as ILayer;
}
else
{
IWMSGroupLayer pWmsGroupLayer = pWmsMapLayer.CreateWMSGroupLayers(pWmsLayerDesc);
for (int j = 0; j < pWmsGroupLayer.Count; j++)
{
ILayer layer = pWmsGroupLayer.get_Layer(j);
if (layer.Name != "admin")
{
pWmsMapLayer.InsertLayer(layer, 0);
layer.Visible = true;
}
}
}
}
#endregion
#region 收尾工作
ILayer pLayer = pWmsMapLayer as ILayer;
pLayer.Name = pWmsServiceDesc.WMSTitle;
pLayer.Visible = true;
axMapControl1.AddLayer(pLayer, 0);
IEnvelope pEnv = axMapControl1.FullExtent;
pEnv.Expand(0.8, 0.8, true);
axMapControl1.Extent = pEnv;
#endregion
}
//pHostOrUrl 服务地址
public void GetWMSServerLayer(string pHostOrUrl, bool pIsLAN)
{
IWMSConnectionFactory pWmsFac = new WMSConnectionFactory();
IWMSConnection pWmsConn = null;
IPropertySet pProSet = new PropertySet();
if (pIsLAN)
{
pProSet.SetProperty("machine", pHostOrUrl);
}
else
{
pProSet.SetProperty("url", pHostOrUrl);
}
///连接服务
try
{
pWmsConn = pWmsFac.Open(pProSet, 0, null);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pWmsFac);
pWmsFac = null;
System.Runtime.InteropServices.Marshal.ReleaseComObject(pProSet);
pProSet = null;
if (pWmsConn != null)
{
///获取所有的服务名称
IWMSConnectionName pWmsConnectionName = pWmsConn.FullName as IWMSConnectionName;
ILayerFactory pLayerFactory = new EngineWMSMapLayerFactoryClass();
if (pLayerFactory.get_CanCreate(pWmsConnectionName))
{
IEnumLayer pEnumLayer = pLayerFactory.Create(pWmsConnectionName);
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
if (pLayer is IWMSMapLayer)
{
IWMSMapLayer pWmsMapLayer = pLayer as IWMSMapLayer;
IWMSGroupLayer pWmsGroupLayer = pWmsMapLayer as IWMSGroupLayer;
DevComponents.AdvTree.Node nService = new DevComponents.AdvTree.Node();
nService.Text = pLayer.Name;
int iService = advTree1.Nodes.Add(nService);//一级服务名
for (int j = 0; j < pWmsGroupLayer.Count; j++)
{
ILayer pTmpLayer = pWmsGroupLayer.get_Layer(j);
IWMSGroupLayer pTmpWmsGroupLayer = pTmpLayer as IWMSGroupLayer;
if (pTmpWmsGroupLayer != null)
{
DevComponents.AdvTree.Node nMap = new DevComponents.AdvTree.Node();
nMap.Text = pTmpLayer.Name;
int iMap = nService.Nodes.Add(nMap);//二级地图名
for (int k = 0; k < pTmpWmsGroupLayer.Count; k++)
{
ILayer pTmpTmplayer = pTmpWmsGroupLayer.get_Layer(k);
DevComponents.AdvTree.Node nLayer = new DevComponents.AdvTree.Node();
nLayer.Text = pTmpTmplayer.Name;
nMap.Nodes.Add(nLayer);//三级图层名
}
}
}
}
pLayer = pEnumLayer.Next();
}
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pLayerFactory);
pLayerFactory = null;
}
}
catch
{ }
advTree1.ExpandAll();
}
