How to change the desktop wallpaper?

[doramon]

http://www.programmersheaven.com/mb/delphikylix/199870/199870/how-to-change-the-desktop-wallpaper/?S=B20000


if FileExists('c:\Vinca.jpg') then
    SystemParametersInfo(SPI_SETDESKWALLPAPER, 0,
    PChar('c:\Vinca.jpg'), 0);