| 31 | } |
| 32 | |
| 33 | std::wstring Error::MessageFromHRESULT(HRESULT result) |
| 34 | { |
| 35 | DWORD count = 0; |
| 36 | auto error = impl::FormatMessageForLanguage(result, MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), count); |
| 37 | DWORD lastErr = GetLastError(); |
| 38 | if (!count && (lastErr == ERROR_MUI_FILE_NOT_FOUND || lastErr == ERROR_RESOURCE_LANG_NOT_FOUND)) |
| 39 | { |
| 40 | // US language not installed, try again with default language lookup. |
| 41 | error = impl::FormatMessageForLanguage(result, 0, count); |
| 42 | lastErr = GetLastError(); |
| 43 | } |
| 44 | |
| 45 | std::wstring errBuf; |
| 46 | std::wstring_view description; |
| 47 | if (count) |
| 48 | { |
| 49 | description = Util::Trim({ error.get(), count }); |
| 50 | } |
| 51 | else |
| 52 | { |
| 53 | errBuf = std::format(L"[failed to get message] 0x{:08X}", static_cast<std::make_unsigned_t<HRESULT>>(HRESULT_FROM_WIN32(lastErr))); |
| 54 | description = errBuf; |
| 55 | } |
| 56 | |
| 57 | return impl::FormatHRESULT(result, description); |
| 58 | } |