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27 lines
563 B
C++
27 lines
563 B
C++
#pragma once
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#include <optional>
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#include <string>
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#include <system_error>
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#include <Windows.h>
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inline std::optional<std::wstring> get_last_error_message(const DWORD dw)
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{
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std::optional<std::wstring> message;
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try
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{
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const auto msg = std::system_category().message(dw);
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message.emplace(begin(msg), end(msg));
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}
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catch (...)
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{
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}
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return message;
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}
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inline std::wstring get_last_error_or_default(const DWORD dw)
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{
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auto message = get_last_error_message(dw);
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return message.has_value() ? message.value() : L"";
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}
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