C/Visual C - Un programa de un gif

#include <windows.h>

#include <gdiplus.h>

#pragma comment(lib, "gdiplus.lib")

using namespace Gdiplus;

void InitGDIPlus() {

    GdiplusStartupInput gdiplusStartupInput;

    ULONG_PTR gdiplusToken;

    GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

}

void DrawGIF(HDC hdc, const wchar_t* filename) {

    Image image(filename);

    Graphics graphics(hdc);

    graphics.DrawImage(&image, 0, 0);

}

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {

    switch (uMsg) {

    case WM_PAINT: {

        PAINTSTRUCT ps;

        HDC hdc = BeginPaint(hwnd, &ps);

        DrawGIF(hdc, L"ruta/a/tu/archivo.gif");

        EndPaint(hwnd, &ps);

    } break;

    case WM_DESTROY:

        PostQuitMessage(0);

        return 0;

    }

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

}

int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE, PWSTR, int nCmdShow) {

    InitGDIPlus();

    const wchar_t CLASS_NAME[] = L"MiVentanaClase";

    WNDCLASS wc = {};

    wc.lpfnWndProc = WindowProc;

    wc.hInstance = hInstance;

    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    HWND hwnd = CreateWindowEx(0, CLASS_NAME, L"Visualización de GIF", WS_OVERLAPPEDWINDOW,

        CW_USEDEFAULT, CW_USEDEFAULT, 500, 500, NULL, NULL, hInstance, NULL);

    ShowWindow(hwnd, nCmdShow);

    UpdateWindow(hwnd);

    MSG msg;

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

        TranslateMessage(&msg);

        DispatchMessage(&msg);

    }

    GdiplusShutdown(gdiplusToken);

    return 0;

}