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Desktop Decorator : Changing your wallpaper the easy way in .NET

, 18 Apr 2004
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An article describing how to change the wallpaper using .NET and C#


This small article describes how to set the desktop wallpaper. There's really not much to it. The sample application is a Windows Forms application and uses the "Wallpaper" class to set the wallpaper. The class can set wallpaper from most image sources, including images stored locally or on the network/internet. To use the sample application, run it, select an image, and click the Apply button. To test the URL loading, try selecting an image from a web-page, for example,

Using the code

The class for setting the desktop wallpaper is named, not surprisingly, "Wallpaper". It contains one public method name 'Set'. This takes two parameters, a URI that points to the image you want to use, and a "Style" enumeration that specifies how you want the image displayed (tiled, centered, or stretched).

public sealed class Wallpaper 
  public enum Style : int 

  public static void Set ( Uri uri, Style style ) 

Points of Interest

The class first saves your image to a temporary file using a Windows Bitmap format. This allows you to pass other image formats, such as a gif and jpeg files and have them automatically converted and used as wallpaper images. The class also allows source images from almost any location. A URI is passed which describes where the image is located. Feel free to use this code however you please. The usual stuff: if it buggers up your machine/life etc. then it's not my fault!


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About the Author

Steve Dunn
Web Developer
United States United States
I was born at a very young age. My hobbies include reading pornography and killing squirrels.

Comments and Discussions

GeneralMy vote of 1 PinmemberMember 1003638211-Dec-13 1:18 
Generalhi Pinmembersandeepparekh2-Jun-11 22:26 
QuestionHow change html file to wallpaper? PinmemberDimaNikolaevich7-Aug-06 8:18 
Questionhow can i get current wallpaper,not use regedit info? Pinmemberargoli19-Mar-05 17:02 
dir sir,
i had use SystemParametersInfo(SPI_GETDESKWALLPAPER, sWallFile.Length, sWallFile, 0); to get current WallFile's name and dir,but fail; or how can i judge the current WallFile not my setting file?
yours argo

GeneralA little sugestion with Centered Pinmemberwhitesnake6-Feb-05 17:54 
GeneralProxies and thanks PinsitebuilderPaul Watson20-Aug-04 8:53 
GeneralRestore original wallpaper PinmemberAntonio Barros22-Apr-04 5:24 
GeneralRe: Restore original wallpaper PinmemberS0k4r14-Dec-04 0:53 
GeneralI looked at this method too PinmemberNathan Blomquist19-Apr-04 7:05 
GeneralRe: I looked at this method too PinmemberJason Henderson20-Apr-04 4:33 
GeneralRe: I looked at this method too PinmemberNathan Blomquist20-Apr-04 6:17 
GeneralGood Hobbies PinmemberNorm Almond19-Apr-04 2:59 
GeneralRe: Good Hobbies PinmemberUncle Monkey19-Apr-04 3:50 
GeneralRe: Good Hobbies Pinmemberhxxbin23-Apr-04 5:59 

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