How to make the desktop automatically change the desktop automatically replaces the desktop background

Windows 7 supports multiple desktop background switching functions to make our desktop more beautiful, but for users who like to save images according to folders, set the desktop If you specify a folder containing subdirectories, such as “wallpaper“, there are several subdirectories under "Landscape", "Animal", and only the wallpaper file is displayed when the desktop background is displayed. The picture under the folder, "Landscape" and other sub-catalogs can not be displayed, it is really a stupid hat … …

◎ limitations of the system program

Selecting the desktop background problem, Windows 7 provides two different solutions, open the "Select desktop background" window, you can choose from the "Image location" drop-down list:

One is to select &ldquo ;Windows desktop background”, its actual storage path is "C:\\windows\\web\\wallpaper", where all the children The pictures in the folder can be displayed in the background of the desktop;

The second is to select "picture library", here you can display all the pictures folder added to the library, but you need to associate the picture file The folder is manually added to the <quo;image gallery”.

Obviously, no matter which kind of off-the-shelf solution you choose, you need to add the image folder to the corresponding location, especially the operation of “picture library” is relatively cumbersome.

◎ Perfect Solution

In fact, we can expand more content for “Windows desktop background”, and do not need to copy related folders in the past, you can solve it through the registry. This problem. Open the Registry Editor with administrator privileges and navigate to

“HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Wallpapers\\knownfolders\\0\\Windows Wallpapers\\MergeFolders”,

The content here is the folder information of Windows 7 comes with wallpaper, right click to add an expandable string value (as shown in Figure 1), the string name is the name of the image folder, for example, “e:\\wallpaper”, Close the Registry Editor after refreshing.
Now, please close the opened "Personalization" window, right click on the desktop and select “Personalize →Desktop Background", open “Select desktop background”window, set the image position to “Windows desktop background” (as shown in Figure 3 below), you can find that the image folder you just added has entered it, and it contains sub-folders of various levels. Although the classification is not together, it is already selectable. Is it convenient? • The above operations will not affect your Windows 7 system and will apply to all users who log in to the machine.