[PowerShell每日技巧]更改桌面壁纸(20140110)

DAIC

To change the current desktop wallpaper and make this change effective immediately, PowerShell can tap into the Windows API calls. Here is a function that changes the wallpaper immediately:

1. function Set-Wallpaper
   
2. {
   
3.     param(
   
4.         [Parameter(Mandatory=$true)]
   
5.         $Path,
   
6. 
   
7.         [ValidateSet('Center', 'Stretch')]
   
8.         $Style = 'Stretch'
   
9.     )
   
10. 
    
11.     Add-Type @"
    
12. using System;
    
13. using System.Runtime.InteropServices;
    
14. using Microsoft.Win32;
    
15. namespace Wallpaper
    
16. {
    
17. public enum Style : int
    
18. {
    
19. Center, Stretch
    
20. }
    
21. public class Setter {
    
22. public const int SetDesktopWallpaper = 20;
    
23. public const int UpdateIniFile = 0x01;
    
24. public const int SendWinIniChange = 0x02;
    
25. [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
    
26. private static extern int SystemParametersInfo (int uAction, int uParam, string lpvParam, int fuWinIni);
    
27. public static void SetWallpaper ( string path, Wallpaper.Style style ) {
    
28. SystemParametersInfo( SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange );
    
29. RegistryKey key = Registry.CurrentUser.OpenSubKey("Control Panel\\Desktop", true);
    
30. switch( style )
    
31. {
    
32. case Style.Stretch :
    
33. key.SetValue(@"WallpaperStyle", "2") ;
    
34. key.SetValue(@"TileWallpaper", "0") ;
    
35. break;
    
36. case Style.Center :
    
37. key.SetValue(@"WallpaperStyle", "1") ;
    
38. key.SetValue(@"TileWallpaper", "0") ;
    
39. break;
    
40. }
    
41. key.Close();
    
42. }
    
43. }
    
44. }
    
45. "@
    
46. 
    
47.     [Wallpaper.Setter]::SetWallpaper( $Path, $Style )
    
48. }
    
49. 
    
50. Set-Wallpaper -Path 'C:\Windows\Web\Wallpaper\Characters\img24.jpg'

复制代码

http://powershell.com/cs/blogs/tips/archive/2014/01/10/change-desktop-wallpaper.aspx

ivor

好长的代码  

DAIC

回复 2# ivor


    把你的短的拿出来分享一下吧