Hkey of registration Form

The HKEY_CLASSES_ROOT root key contains all the information needed to start the application. These include:

1. All extensions and the associated information between the application and the document.

2. Name of all drivers.

3. A string as a pointer to the actual file that they represent.

4. Class identifies the CLSID, which is important when accessing child health information, because the information accessed in Windows is replaced with a CLSID. The identity here is unique in the Windows XP system.

5.DDE and OLE information. You can use DDE and OLE features for each file association.

6. Icons used for applications and documents.