/// <summary>
/// Returns an array of layer IDs. This list of layer IDs correspond to Feature Layers.
/// </summary>
/// <returns>An array of layer ID <see cref="int"/>s.</returns>
private int[] GetIdsOfLayersThatHaveMetadata()
{
var mapServer = (IMapServer3)_serverObjectHelper.ServerObject;
string defaultMapName = mapServer.DefaultMapName;
IMapServerInfo3 serverInfo = mapServer.GetServerInfo(defaultMapName) as IMapServerInfo3;
IMapLayerInfos mapLayerInfos = serverInfo.MapLayerInfos;
IMapLayerInfo3 layerInfo = null;
var output = new List <int>(mapLayerInfos.Count);
for (int i = 0; i < mapLayerInfos.Count; i++)
{
layerInfo = mapLayerInfos.get_Element(i) as IMapLayerInfo3;
if (layerInfo.IsFeatureLayer)
{
output.Add(i);
}
}
// Untested.
////var output = from layerInfo in mapLayerInfos.AsEnumerable()
//// where layerInfo.IsFeatureLayer
//// select layerInfo.ID;
return(output.ToArray());
}
/// <summary>
/// Returns a dictionary of feature layer IDs keyed by data source names.
/// </summary>
/// <returns>Returns a dictionary of feature layer IDs keyed by data source names.</returns>
private Dictionary <string, List <int> > GetDistinctDataSourceInfo()
{
var mapServer = (IMapServer3)_serverObjectHelper.ServerObject;
string defaultMapName = mapServer.DefaultMapName;
var msDataAccess = (IMapServerDataAccess)_serverObjectHelper.ServerObject;
IMapServerInfo3 serverInfo = mapServer.GetServerInfo(defaultMapName) as IMapServerInfo3;
IMapLayerInfos mapLayerInfos = serverInfo.MapLayerInfos;
var output = (from layerInfo in mapLayerInfos.AsEnumerable()
where layerInfo.IsFeatureLayer
select new
{
Id = layerInfo.ID,
DataSource = ((IDataset)msDataAccess.GetDataSource(defaultMapName, layerInfo.ID)).Name
}).GroupBy(a => a.DataSource, a => a.Id).ToDictionary(g => g.Key, g => g.ToList());
return(output);
}
