public static void Query(this FeatureLayer layer, IQueryResultContainer queryResultContainer, string geometry, string keywords)
{
if (!IsAttachedEvent)
{
layer.Map.ServerAgent.MapServiceClient.QueryCompleted += new EventHandler <AgileMapServiceProxy.QueryCompletedEventArgs>(MapServiceClient_QueryCompleted);
IsAttachedEvent = true;
}
layer.Map.ServerAgent.MapServiceClient.QueryAsync(layer.Id, geometry, keywords, new QueryStatus(queryResultContainer, layer));
}
private void QueryFeatures(string keys, string lyrname)
{
IQueryResultContainer resultContainer = GetQueryResultContainer();
IFeatureLayer lyr = _mapControl.Map.LayerContainer.GetLayerByName(lyrname) as IFeatureLayer;
if (lyr == null)
{
return;
}
IFeatureClass fetclass = lyr.Class as IFeatureClass;
Feature[] fs = (fetclass.DataSource as IFeatureDataSource).Query(new QueryFilter(keys));
resultContainer.AddFeatures(fs);
}
private void QueryPlacements(string keys)
{
if (_mapControl.Map == null || _mapControl.Map.LayerContainer.Layers.Length == 0)
{
return;
}
Application.DoEvents();
IQueryResultContainer resultContainer = GetQueryResultContainer();
resultContainer.ResultContainerVisible = true;
string[] layers = GetLayers(ref keys);
foreach (string lyrname in layers)
{
AsyncQueryFeaturesDelegate querydel = new AsyncQueryFeaturesDelegate(QueryFeatures);
resultContainer.BeginInvokeContiner.BeginInvoke(querydel, keys, lyrname);
}
}
public static void Query(this Map map, IQueryResultContainer queryResultContainer, string geometry, string keywords)
{
if (map.Layers == null || map.Layers.Count == 0)
{
return;
}
if (!IsAttachedEvent)
{
map.ServerAgent.MapServiceClient.QueryCompleted += new EventHandler <AgileMapServiceProxy.QueryCompletedEventArgs>(MapServiceClient_QueryCompleted);
IsAttachedEvent = true;
}
//
foreach (Layer lyr in map.Layers)
{
FeatureLayer fetLyr = lyr as FeatureLayer;
if (fetLyr != null)
{
map.ServerAgent.MapServiceClient.QueryAsync(fetLyr.Id, geometry, keywords, new QueryStatus(queryResultContainer, fetLyr));
}
}
}
private void HanleQueryKey(string keys)
{
PointF ptf = GeoCoordHelper.ExtractGeoCoord(keys);
ShapePoint pt = new ShapePoint(ptf.X, ptf.Y);
if (!(pt.X < double.Epsilon && pt.Y < double.Epsilon))
{
GotoPoint(pt);
}
else
{
IQueryResultContainer resultContainer = GetQueryResultContainer();
if (resultContainer == null)
{
MsgBox.ShowError("没有设置查询结果容器,无法进行查询。");
return;
}
AsyncQueryPlacements querydel = new AsyncQueryPlacements(QueryPlacements);
resultContainer.BeginInvokeContiner.BeginInvoke(querydel, keys);
}
}
public QueryStatus(IQueryResultContainer qrc, object queryTarget)
{
QueryResultContainer = qrc;
QueryTarget = queryTarget;
}
private IQueryResultContainer GetQueryResultContainer()
{
IQueryResultContainer rstc = _mapControl.MapRuntime.QueryResultContainer;
return(rstc);
}
