Function WindowClassNameText

libop/window/WindowService.cpp:23–33

};

WindowTextValue WindowClassNameText(HWND hwnd) {
    std::vector<wchar_t> buffer(256, L'\0');
    for (;;) {
        const int copied = ::GetClassNameW(hwnd, buffer.data(), static_cast<int>(buffer.size()));
        if (copied <= 0)
            return WindowTextValue();
        if (static_cast<size_t>(copied) < buffer.size() - 1)
            return WindowTextValue(std::wstring(buffer.data(), static_cast<size_t>(copied)));
        buffer.assign(buffer.size() * 2, L'\0');
    }
}

WindowTextValue WindowTitleText(HWND hwnd) {
    const int length = ::GetWindowTextLengthW(hwnd);