private static void LoadProjFile(string projFilePath, ref VectorLayer aLayer)
        {
            ProjectionInfo aProjInfo  = new ProjectionInfo();
            StreamReader   sr         = new StreamReader(projFilePath);
            string         esriString = sr.ReadToEnd();

            sr.Close();

            aProjInfo.ReadEsriString(esriString);
            if (aProjInfo.Transform.Proj4Name == "lonlat")
            {
                aProjInfo = KnownCoordinateSystems.Geographic.World.WGS1984;
            }
            aLayer.ProjInfo = aProjInfo;
        }