[ros-diffs] [cfinck] 28200: Expand environment strings in the szWallpaper variable. (patch by Marc Piulachs, marc DOT piulachs AT codexchange DOT net) This is the same way how Windows XP does it (allowing environment variables in the "Wallpaper" registry value, but not as an argument for SystemParametersInfo, SPI_SETDESKWALLPAPER) See issue #2536 for more details.