title: How to change walllpaper in c using winapi?
body: <p>I tried this but it does not work</p>
  
  <pre><code>LPWSTR test = L"C:\\Users\\Default\\wallpaper.png";
  SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, test, SPIF_UPDATEINIFILE);
  </code></pre>