EnumerateDocumentsInSolution

Enumerates all documents in solution.

---

Input Ports:

Start - execution entry.
ProjectFilter (type: regex string) - if specified, only projects matching this filter will be examined. Leaving empty examines all projects.
FilenameFilter (type: regex string) - if specified, only files with filename matching this filter will be returned. Leaving empty returns all files.

---

Output Ports:

Done - execution exit.
Loop - executes for each document found in the solution.
Document (type: Document) - Document found.