Note that some programs are changing the wallpaper without actually writing a file to disk. This can be done by hooking to the Microsoft Windows Desktop window and drawing directly on its canvas. This is how GIF/AVI animations are drawn on desktop.
Note that some programs are changing the wallpaper without actually writing a file to disk. This can be done by hooking to the Microsoft Windows Desktop window and drawing directly on its canvas. This is how GIF/AVI animations are drawn on desktop.