private static IEnumerable <string> EnumerateObjects(AmClusterGroupHandle handle, AmClusterGroupEnum objectType) { new List <string>(16); using (AmClusGroupEnumHandle enumHandle = ClusapiMethods.ClusterGroupOpenEnum(handle, objectType)) { if (enumHandle.IsInvalid) { int lastWin32Error = Marshal.GetLastWin32Error(); throw AmExceptionHelper.ConstructClusterApiException(lastWin32Error, "ClusterOpenGroupEnum(objecttype={0})", new object[] { objectType }); } int entryIndex = 0; int objectNameLen = 256; StringBuilder objectNameBuffer = new StringBuilder(objectNameLen); int errorCode; for (;;) { objectNameLen = objectNameBuffer.Capacity; AmClusterGroupEnum objectTypeRetrived; errorCode = ClusapiMethods.ClusterGroupEnum(enumHandle, entryIndex, out objectTypeRetrived, objectNameBuffer, ref objectNameLen); if (errorCode == 259) { goto IL_171; } if (errorCode == 234) { objectNameBuffer.EnsureCapacity(objectNameLen); } else { if (errorCode != 0) { break; } if (objectTypeRetrived == objectType) { yield return(objectNameBuffer.ToString()); } entryIndex++; } } throw AmExceptionHelper.ConstructClusterApiException(errorCode, "ClusterGroupEnum()", new object[0]); IL_171 :; } yield break; }
internal static extern int ClusterGroupEnum([In] AmClusGroupEnumHandle hEnum, [In] int dwIndex, out AmClusterGroupEnum lpdwType, [Out] StringBuilder pName, [In][Out] ref int count);