windows C++

#include <Windows.h>

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

    switch (uMsg) {

    case WM_DESTROY:

        PostQuitMessage(0);

        break;

    default:

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

    }

    return 0;

}

static void _RegisterClass(WNDCLASS &wc) {

    memset(&wc, 0, sizeof(wc));

    wc.hInstance        = GetModuleHandle(NULL);

    wc.lpfnWndProc      = WndProc;

    wc.lpszClassName    = "WindowClass";

    wc.style            = CS_HREDRAW | CS_VREDRAW;

    wc.hbrBackground    = (HBRUSH)(COLOR_WINDOW + 1);

    wc.hIcon            = LoadIcon(NULL, IDI_APPLICATION);

    wc.hCursor          = LoadCursor(NULL, IDC_ARROW);

    RegisterClass(&wc);

}

int main() {

    WNDCLASS wc;

    _RegisterClass(wc);

    HWND hWnd = CreateWindow(wc.lpszClassName, "Can盒子协议调试", WS_OVERLAPPEDWINDOW,

        CW_USEDEFAULT, CW_USEDEFAULT, 800, 480,

        NULL, NULL, wc.hInstance, NULL);

    ShowWindow(hWnd, SW_SHOW);

    UpdateWindow(hWnd);

    MSG msg;

    while (GetMessage(&msg, NULL, 0, 0)) {

        TranslateMessage(&msg);

        DispatchMessage(&msg);

    }

}