public static bool QueryMessPoint(IActiveView activeView, IFeatureClass featureClass, string whereClause, ISpatialReference spatRef, out IGeometry geometry)
{
try
{
ESRI.ArcGIS.Geodatabase.IQueryFilter queryFilter = new ESRI.ArcGIS.Geodatabase.QueryFilterClass();
queryFilter.WhereClause = whereClause;
ESRI.ArcGIS.Geodatabase.IFeatureCursor featureCursor = featureClass.Search(queryFilter, false);
geometry = Geometry.GeometryOp.ConstructUnion(featureCursor);
IGeoDataset geodataset = featureClass as IGeoDataset;
geometry.SpatialReference = geodataset.SpatialReference;
geometry.Project(spatRef);
return true;
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.Write(ex.Message);
geometry = null;
return false;
}
}