private static extern int Unmanaged_SetupStandAloneModeGeometry(ref StandAloneModeGeometryStruct standAloneModeGeometry);
 public int iV_SetupStandAloneModeGeometry(ref StandAloneModeGeometryStruct standAloneModeGeometry)
 {
     return Unmanaged_SetupStandAloneModeGeometry(ref standAloneModeGeometry);
 }