public static void convertGpxToTcx(string fileName) { gpx gpx = gpx.Load(fileName); TrainingCenterDatabase tcx = GpsData.convertGpxToTcx(gpx); if (tcx != null) { fileName = Path.ChangeExtension(fileName, ".tcx"); string saveFilename = getSaveName(fileName, ".converted"); if (saveFilename != null) { tcx.Save(saveFilename); } } }