Var
Reg:Tregistry
Begin
Reg:=Tregistry.Create;
Reg.Rootkey:= Hkey_Current_User;
Reg.OpenKey′Control Panel/Desktop′,False);
Reg.WriteString (‘TileWallPaper’,’0′);
Reg.WriteString(’Wallpaper’,FileName);
Reg.WriteString(’WallpaperStyle’,’0′);
//FileName:为壁纸的文件名
http://www.gaodaima.com/65696.html编程实现墙纸平铺/居中或拉伸_Delphi
//WallpaperStyle为壁纸的显示方案 0–居中 1–平铺 2–拉伸
Systemparametersinfo(SPI_SETDESKWallpaper,0,Nil,SPIF_SendChange);{向Windows发送消息,通知Windows更换壁纸}
Reg.CloseKey;{将更改内容写入注册表并关闭}
Reg.Free;{释放对象}
End;
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