VC++ 实现程序重启

转载：https://blog.csdn.net/what951006/article/details/72729448

一、创建一个Win32项目

二、窗口处理函数中，Create窗口时创建一个按钮，并在按钮点击事件中处理程序重启

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

{

    int wmId, wmEvent;

    PAINTSTRUCT ps;

    HDC hdc;

    switch (message)

    {

    case WM_CREATE:

    {

                      //创建按钮

                      CreateWindow(L"Button", L"重启", WS_VISIBLE | WS_CHILD,

                          , , , , hWnd, (HMENU)IDC_BUTTON_RESTART, (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE), NULL);

    }

        break;

    case WM_COMMAND:

        wmId = LOWORD(wParam);

        wmEvent = HIWORD(wParam);

        // 分析菜单选择:

        switch (wmId)

        {

        case IDM_ABOUT:

            DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);

            break;

        case IDM_EXIT:

            DestroyWindow(hWnd);

            break;

        case IDC_BUTTON_RESTART://重启按钮的响应

        {

                                    //::PostMessage(hWnd, WM_SYSCOMMAND, SC_CLOSE, NULL);

                                    TCHAR szModuleName[MAX_PATH * ];

                                    ::GetModuleFileName(NULL, szModuleName, _countof(szModuleName) - );

                                    STARTUPINFO si;

                                    ZeroMemory(&si, sizeof(si));

                                    si.cb = sizeof(si);

                                    si.dwFlags = STARTF_USESHOWWINDOW;

                                    si.wShowWindow = SW_SHOW;

                                    PROCESS_INFORMATION pi;

                                    ZeroMemory(&pi, sizeof(pi));

                                    if (CreateProcess(NULL, szModuleName, NULL, NULL, FALSE, , NULL, NULL, &si, &pi))

                                    {

                                        // 既然我们不使用两个句柄，最好是立刻将它们关闭

                                        ::CloseHandle(pi.hThread);

                                        ::CloseHandle(pi.hProcess);

                                    }

                                    ::PostMessage(hWnd, WM_QUIT, , );

        }

            break;

        default:

            return DefWindowProc(hWnd, message, wParam, lParam);

        }

        break;

    case WM_PAINT:

        hdc = BeginPaint(hWnd, &ps);

        // TODO:  在此添加任意绘图代码...

        EndPaint(hWnd, &ps);

        break;

    case WM_DESTROY:

        PostQuitMessage();

        break;

    default:

        return DefWindowProc(hWnd, message, wParam, lParam);

    }

    return ;

}