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The registry key HKCR\Unknown tells Windows what to do with files whose extensions are otherwise unregistered. To modify the shortcut menu for such files, add the usual subkeys and values to HKCR\Unknown, following steps described earlier in this section (see Creating a Per-Computer Shortcut Menu Command, page 608).
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Customizing the Shortcut Menu of All File Types
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The registry key HKCR\* provides data relevant to all file types. You can work with this key in the same manner as with file-specific keys. See Creating a Per-Computer Shortcut Menu Command, page 608, for details.
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Customizing the Shortcut Menus of System Objects
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System objects, such as My Computer, Recycle Bin, and My Network Places, have shortcut menus, too. Adding commands to the menus of these objects that execute frequently used programs can be a convenient way to reduce desktop and Start menu clutter. You might, for example, want to add Tweak UI or Registry Editor to the shortcut menu (or extended shortcut menu) for My Computer.
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Part 4: Storage and File Management
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Customizing the Shortcut Menu of Unregistered File Types
Microsoft Windows XP Inside Out, Second Edition To work with system-object shortcut menus, modify the registry key HKCR\CLSID\guid, where guid is the globally unique identifier (GUID) for the object you re interested in. Table 16-1 lists the GUIDs for some items that might be useful to customize.
Table 16-1.
GUIDs for customization-worthy system objects
GUID
{20D04FE0-3AEA-1069-A2D8-08002B30309D} {450D8FBA-AD25-11D0-98A8-0800361B1103} {208D2C60-3AEA-1069-A2D7-08002B30309D} {645FF040-5081-101B-9F08-00AA002F954E}
Object
My Computer My Documents
16 16 16 16 16
My Network Places Recycle Bin
Editing the Registry to Remove a Shortcut Menu Command
In many cases, you can get rid of an unwanted shortcut menu command via the conventional user interface that is, without editing the registry directly. Choose Tools, Folder Options in Windows Explorer, click the File Types tab, select the file type whose menu you want to prune, click Advanced, select the command you want to eliminate, and click Remove. If you don t find the item you re looking for, however, or if the Remove button is unavailable in the Edit File Type dialog box, you will need to perform surgery in Registry Editor. Before operating, you might want to consider setting a restore point, so that if you inadvertently remove the wrong organ, you can return your registry to its current state. Once you ve done that, run Registry Editor and search for the command text as it appears on your shortcut menus. If the item you want to remove is a per-computer command (it most likely is), you can limit your search to the HKCR root key. If by chance it s a per-user command, start your search instead at HKCU\Software\Classes. Registry Editor should find an instance of your search string within a subkey structure that looks like this:
HKCR\filetype\shell\verb
HKCU\Software\Classes\filetype\shell\verb
where filetype is a category of files and verb is the menu item you ve searched for. Select that item in the left pane, press Delete, and check to see if you ve removed the item you wanted to remove. If you haven t, run System Restore and try again. Be aware that some shortcut menu commands are attached to multiple classes of files. If you search HKCR for &Edit with Microsoft FrontPage, for example, you re likely to find that shortcut menu command in a number of different registry keys. To remove all traces of a shortcut menu command, you might need to perform multiple surgeries.
Part 4: Storage and File Management
Part 1: Part Title
Windows Explorer for Experts
Inside Out
Printing folder contents Windows Explorer does not include a command for printing folder contents. But, of course, the venerable MS-DOS method generating a directory list with the Dir command and redirecting output to the printer still works. Article 272623 in the Microsoft Knowledge Base (http://support.microsoft.com/ kbid=272623) explains how to create a batch file to accomplish this chore and attach the batch file to the shortcut menu for the File Folder file type. Because there are several free Windows utilities that can print folder listings more stylishly than an MS-DOS batch file can (see, for example, http://www.karenware.com/ powertools/ptdirprn.asp, http://www.aborange.com/products/dirprinter.php, and http:// www.widgetech.com/freeware/printdir3_1.shtml), we don t favor the Knowledge Base article s approach. If you decide to follow its instructions, however, be sure to make one change. The article instructs you to attach the batch file to the File Folder type. Doing so will run you headlong into an acknowledged bug, as a result of which the default action for folders will change from open or explore (or whatever else you might have chosen) to find. In short, every time you double-click a folder in Windows Explorer, you ll get the Search Assistant. A separate Knowledge Base article, 321186, (http://support.microsoft.com/ kbid=321186) tells you how to restore your previous default. But you can avoid all this hassle by following article 272623 s instructions and modifying the shortcut menu for the Folder file type, instead of the File Folder file type.
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