Tile wallpaper

The data is 1 tile.

The data is 0, centered or stretched.

HKEY _ Current _ User \ Control Panel \ Desktop

Wallpaper style

The data is stretched by 2 times.

The data is centered on 0.

Modifying the registry will not take effect immediately. To take effect quickly, open the Display Properties window and click OK. If the desktop background picture is in bmp format, you can use.

rundll32 user32.dll，UpdatePerUserSystemParameters

This command makes the modification take effect.