Function DllMain

UnityEditorDarkMode.cpp:612–643

DLL entry

// DLL entry
bool APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID lpRes) {
    switch (reason)
    {
        case DLL_PROCESS_ATTACH: {
            // enable dark mode for the current process window
            EnableDarkMode(nullptr);

            // catch windows that have been created before we set up the CBTProc hook
            std::vector<HWND> windowHandles;
            GetAllWindowsByProcessID(GetCurrentProcessId(), windowHandles);

            for (const HWND& hWnd : windowHandles) {
                SetWindowSubclass(hWnd, CallWndSubClassProc, 0, 0);
                EnableDarkMode(hWnd);
            }

            // set up the CBTProc hook to catch new windows
            g_hook = SetWindowsHookEx(WH_CBT, CBTProc, nullptr, GetCurrentThreadId());
            break;
        }
        case DLL_PROCESS_DETACH: {
            if (g_hook) {
                UnhookWindowsHookEx(g_hook);
                g_hook = nullptr;
            }
            break;
        }
        default: break;
    }

    return true;
}