c++创建简单窗口

#include <Windows.h>

//自定义的窗口过程
LRESULT CALLBACK MyWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam) {
    switch (Msg) {
    case WM_DESTROY:  // WM_DESTORY 代表“窗口关闭” 消息
        PostQuitMessage(0);
        return 0;
    default:
        return DefWindowProc(hWnd, Msg, wParam, lParam);
    }
    return 0;
}


int WINAPI WinMain(
    _In_ HINSTANCE hInstance,       // 窗口句柄
    _In_opt_  HINSTANCE hPrevInstance, // 上一个窗口类的句柄
    _In_ LPSTR lpCmdLine,         // 命令行参数 
    _In_ int nShowCmd             // 窗口的显示状态
) {


    WNDCLASSW wnd = {
        CS_HREDRAW,
        DefWindowProc,
        0,0,
        hInstance,
        LoadIcon(NULL, IDI_APPLICATION),
        LoadCursor(NULL, IDC_ARROW),
        (HBRUSH)(GetStockObject(WHITE_BRUSH)),
        NULL,L"MyWindow"
    };

    RegisterClass(&wnd);

    HWND hWnd = CreateWindow(L"MyWindow", L"newWindow",
        WS_OVERLAPPEDWINDOW, 100, 100, 300, 300, NULL, NULL, hInstance, NULL);

    ShowWindow(hWnd, nShowCmd);

    UpdateWindow(hWnd);


    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg); //翻译消息
        DispatchMessage(&msg);  //分发消息到窗口过程
    }


    return 0;
}