MATLAB BUILDER EX 1 User's Guide download pdf (Page 99)

Component Registration

(Continued)

Key Definition

HKEY_CLASSES_ROOT\Interface

Information about COM interfaces on the

system. Each component creates a new key under

HKEY_CLASSES_ROOT\Interface for each interf a ce

it defines. This key has the value of the GUID

assigned to the interface and contains subkeys

with information about the interface.

HKEY_CLASSES_ROOT\TypeLib

Information about type libraries on the system.

Each component creates a key for its type library

with the value of the GUID assigned to it. Under

this key a new key is created for each version

of the type library. Therefore, new versions of

type libraries with the same name reuse the

original GUID but create a new subkey for the

new version.

HKEY_CLASSES_ROOT\<ProgID>,

HKEY_CLASSES_ROOT\<VerIndProgID>

These two keys are created for the

component’s Program ID and Version

Independent Program ID. These keys

are constructed from s trings of the form

<component-name>.<class-name>

and

<component-name>.<class-name>

<version-number>

These key s are useful for creating a class instance

from the component and class names instead

of the GUIDs.

Versioning

MATLAB Builder for Excel components support a simple versioning

mechanism designed to make building and deploying multiple versions of the

same component easy to implement. The version number of a component

appears as part of the DLL name, as well as part of the version-dependent ID

in the system registry.

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MATLAB BUILDER EX 1 User's Guide Page 99