CodeName Property
Returns the code name for the specified document. Read-only String.
Remarks
The code name is the name for the module that houses event macros for a document. The default name for the module is "ThisDocument"; you can view it in the Project window. For information about using events with the Document object, see Using Events with the Document Object.
Example
This example returns the name of the code window for the active document.
Msgbox ActiveDocument.CodeName