Function RunMessagePump

SampleApps/WebView2APISample/App.cpp:138–173

Run the message pump for one thread.

// Run the message pump for one thread.
static int RunMessagePump()
{
    HACCEL hAccelTable = LoadAccelerators(g_hInstance, MAKEINTRESOURCE(IDC_WEBVIEW2APISAMPLE));

    MSG msg;

    // Main message loop:
    //! [MoveFocus0]
    while (GetMessage(&msg, nullptr, 0, 0))
    {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
        {
            // Calling IsDialogMessage handles Tab traversal automatically. If the
            // app wants the platform to auto handle tab, then call IsDialogMessage
            // before calling TranslateMessage/DispatchMessage. If the app wants to
            // handle tabbing itself, then skip calling IsDialogMessage and call
            // TranslateMessage/DispatchMessage directly.
            if (!g_autoTabHandle || !IsDialogMessage(GetAncestor(msg.hwnd, GA_ROOT), &msg))
            {
                TranslateMessage(&msg);
                DispatchMessage(&msg);
            }
        }
    }
    //! [MoveFocus0]

    DWORD threadId = GetCurrentThreadId();
    auto it = s_threads.find(threadId);
    if (it != s_threads.end())
    {
        CloseHandle(it->second);
        s_threads.erase(threadId);
    }

    return (int)msg.wParam;
}

// Make a new thread.
void CreateNewThread(AppWindow* app)