Opc.Ua.Com.ComUtils.GetSystemMessage C# (CSharp) Method

		public static string GetSystemMessage(int error, int localeId)
		{
            int langId = 0;

            switch (localeId)
            {
                case LOCALE_SYSTEM_DEFAULT:
                {
                    langId = GetSystemDefaultLangID();
                    break;
                }

                case LOCALE_USER_DEFAULT:
                {
                    langId = GetUserDefaultLangID();
                    break;
                }

                default:
                {
                    langId = (0xFFFF & localeId);
                    break;
                }
            }

			IntPtr buffer = Marshal.AllocCoTaskMem(MAX_MESSAGE_LENGTH);

			int result = FormatMessageW(
				(int)FORMAT_MESSAGE_FROM_SYSTEM,
				IntPtr.Zero,
				error,
				langId,
				buffer,
				MAX_MESSAGE_LENGTH-1,
				IntPtr.Zero);

            if (result > 0)
            {
			    string msg = Marshal.PtrToStringUni(buffer);
			    Marshal.FreeCoTaskMem(buffer);

			    if (msg != null && msg.Length > 0)
			    {
				    return msg.Trim();
			    }
            }

			return String.Format("0x{0:X8}", error);
        }