public ESRI.ArcGIS.Geodatabase.IFeatureCursor PerformSpatialQuery(ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass, ESRI.ArcGIS.Geometry.IGeometry searchGeometry, ESRI.ArcGIS.Geodatabase.esriSpatialRelEnum spatialRelation, System.String whereClause) {
// create a spatial query filter
ESRI.ArcGIS.Geodatabase.ISpatialFilter spatialFilter = new ESRI.ArcGIS.Geodatabase.SpatialFilterClass();
// specify the geometry to query with
spatialFilter.Geometry = searchGeometry;
// specify what the geometry field is called on the Feature Class that we will be querying against
System.String nameOfShapeField = featureClass.ShapeFieldName;
spatialFilter.GeometryField = nameOfShapeField;
// specify the type of spatial operation to use
spatialFilter.SpatialRel = spatialRelation;
// create the where statement
spatialFilter.WhereClause = whereClause;
// perform the query and use a cursor to hold the results
ESRI.ArcGIS.Geodatabase.IQueryFilter queryFilter = new ESRI.ArcGIS.Geodatabase.QueryFilterClass();
queryFilter = (ESRI.ArcGIS.Geodatabase.IQueryFilter)spatialFilter;
ESRI.ArcGIS.Geodatabase.IFeatureCursor featureCursor = featureClass.Search(queryFilter, false);
return featureCursor;
}
As the help document gives the code above,how to fire the function? Can you give me an example?Or somebody give me some ideal to perform the spatial query?Thans very much,For I really do not know what to do.