Appendix D. Class IDs (CLSIDs) of System Objects
Windows keeps track of its various components with Class IDs, 33-digit codes consisting of both letters and numbers, enclosed in curly braces { }. ??? shows a list of commonly used system objects.
Table D-1. Commonly used system objects and their corresponding Class IDs
Object | CLSID |
|---|---|
ActiveX Cache Folder | {88C6C381-2E85-11d0-94DE-444553540000} |
Briefcase | {85BBD920-42A0-1069-A2E4-08002B30309D} |
Compressed Folder | {E88DCCE0-B7B3-11d1-A9F0-00AA0060FA31} |
Control Panel | {21EC2020-3AEA-1069-A2DD-08002B30309D} |
Desktop | {00021400-0000-0000-C000-000000000046} |
Dial-Up Networking | {992CFFA0-F557-101A-88EC-00DD010CCC48} |
Favorites | {1A9BA3A0-143A-11CF-8350-444553540000} |
Fonts | {BD84B380-8CA2-1069-AB1D-08000948F534} |
Internet Explorer | {FBF23B42-E3F0-101B-8488-00AA003E56F8} |
Internet Explorer Cache | {7BD29E00-76C1-11CF-9DD0-00A0C9034933} |
My Computer | {20D04FE0-3AEA-1069-A2D8-08002B30309D} |
My Documents | {450D8FBA-AD25-11D0-98A8-0800361B1103} |
My Network Places | {208D2C60-3AEA-1069-A2D7-08002B30309D} |
Printers | {2227A280-3AEA-1069-A2DE-08002B30309D} |
Recycle Bin | {645FF040-5081-101B-9F08-00AA002F954E} |
Scheduled Tasks | {D6277990-4C6A-11CF-8D87-00AA0060F5BF} |
Subscriptions | {F5175861-2688-11d0-9C5E-00AA00A45957} |
The Internet | {3DC7A020-0ACD-11CF-A9BB-00AA004AE837} |
The Microsoft Network | {00028B00-0000-0000-C000-000000000046} |
URL History Folder | {FF393560-C2A7-11CF-BFF4-444553540000} |
Here are some tips for working with Class IDs:
Class IDs are stored in the Registry under
HKEY_CLASSES_ROOT\CLSID ...
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