Создайте простое окно с любыми размерами и любым заголовком. c++

 #include  
 
const char g_szClassName[] = "myWindowClass"; 
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) 
{ 
    switch(msg) 
    { 
        case WM_CLOSE: 
            DestroyWindow(hwnd); 
            break; 
        case WM_DESTROY: 
            PostQuitMessage(0); 
            break; 
        default: 
            return DefWindowProc(hwnd, msg, wParam, lParam); 
    } 
    return 0; 
} 
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) 
{ 
    WNDCLASSEX wc; 
    HWND hwnd; 
    MSG Msg; 
 
    // Шаг 1: Регистрация оконного класса 
    wc.cbSize        = sizeof(WNDCLASSEX); 
    wc.style         = 0; 
    wc.lpfnWndProc   = WndProc; 
    wc.cbClsExtra    = 0; 
    wc.cbWndExtra    = 0; 
    wc.hInstance     = hInstance; 
    wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION); 
    wc.hCursor       = LoadCursor(NULL, IDC_ARROW); 
    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); 
    wc.lpszMenuName  = NULL; 
    wc.lpszClassName = g_szClassName; 
    wc.hIconSm       = LoadIcon(NULL, IDI_APPLICATION); 
 
    if(!RegisterClassEx(&wc)) 
    { 
        MessageBox(NULL, "Window Registration Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK); 
        return 0; 
    } 
 
    // Шаг 2: Создание окна 
    hwnd = CreateWindowEx( 
        WS_EX_CLIENTEDGE, 
        g_szClassName, 
        "Простое Окно", 
        WS_OVERLAPPEDWINDOW, 
        CW_USEDEFAULT, CW_USEDEFAULT, 240, 120, 
        NULL, NULL, hInstance, NULL); 
 
    if(hwnd == NULL) 
    { 
        MessageBox(NULL, "Window Creation Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK); 
        return 0; 
    } 
 
    ShowWindow(hwnd, nCmdShow); 
    UpdateWindow(hwnd); 
 
    // Шаг 3: Запуск цикла сообщений 
    while(GetMessage(&Msg, NULL, 0, 0) > 0) 
    { 
        TranslateMessage(&Msg); 
        DispatchMessage(&Msg); 
    } 
    return Msg.wParam; 
}