WNDCLASS wc = { 0 };
wc.lpfnWndProc = WindowProc;
wc.hInstance = hInstance;

// Create window
HWND hwnd = CreateWindowEx(
    0, NULL, L"OpenGL Window", WS_OVERLAPPEDWINDOW,
    CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
    NULL, NULL, hInstance, NULL
);

// Create OpenGL rendering context
HDC hdc = GetDC(hwnd);
PIXELFORMATDESCRIPTOR pfd = { sizeof(PIXELFORMATDESCRIPTOR), 1,
    PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
    PFD_TYPE_RGBA, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
int pixelFormat = ChoosePixelFormat(hdc, &pfd);
SetPixelFormat(hdc, pixelFormat, &pfd);
HGLRC hglrc = wglCreateContext(hdc);
wglMakeCurrent(hdc, hglrc);

// Main loop
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
MSG msg;
while (GetMessage(&msg, NULL, 0, 0)) {
    TranslateMessage(&msg);
    DispatchMessage(&msg);
}

// Clean up
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hglrc);
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);

return 0;