Categories of Data
Before putting data into the registry, an application should divide the data
into two categories: computer-specific data and user-specific data. By making
this distinction, an application can support multiple users, and yet locate
user-specific data over a network and use that data in different locations, allowing
location-independent user profile data. (A user profile is a set of
configuration data saved for every user.)
When the application is installed, it should record the computer-specific data
under the
HKEY_LOCAL_MACHINE key. In particular, it should create keys for the company name, product name,
and version number, as shown in the following example:
HKEY_LOCAL_MACHINE\
Software\MyCompany\MyProduct\1.0
If the application supports OLE, it should record that data under
HKEY_LOCAL_MACHINE\Software\Classes.
An application should record user-specific data under the
HKEY_CURRENT_USER key, as shown in the following example:
HKEY_CURRENT_USER\
Software\MyCompany\MyProduct\1.0\
...
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