Standard COM Automation terms

The following table lists standard COM Automation terms and their definitions.

Term
Definition
DISPID
Dispatch ID - Number of characters that make up the number.
ProgID
Program ID - A text string used to identify the component. For example, Nxf.Nxf.1.
CLSID
Class ID - A numeric identifier used to specify a COM component. The class ID's are usually shown within curly braces. For example, {682553C1-20A8-11D2-8711-00A024299A30}.
IDL
Interface Definition Language - A standard syntax for defining objects and interfaces.
CoClass
A creatable object defined in the IDL file. The main interface to the properties and methods exposed by the object.