Entwicklerkonference ‘00 FoxPro Application Maintenance Ted Roche Blackstone Incorporated Ted Roche Blackstone Incorporated

Entwicklerkonference ‘00Entwicklerkonference ‘00

FoxPro Application MaintenanceFoxPro Application Maintenance

Ted RocheBlackstone Incorporatedhttp://www.bstone.com


Session NumberSession Number

Copyright © 2000 Ted RocheCopyright © 2000 Ted Roche

Who Am I?Who Am I?

Director of Development Microsoft Certified Solution Developer,

Microsoft Certified Systems Engineer Co-Author Hacker’s Guide to VFP 6 Microsoft Support MVP, 1994 – present


MaintenanceMaintenance

Business Issues – Client’s and Consultant’s Auditing an application Tools to maintain application Issues in maintenance WTF code


Business IssuesBusiness Issues

Cost-benefit, ROI, business case Structuring a maintenance contract Structuring a support contract Slices of the pie


Auditing an Application - 1Auditing an Application - 1

Locate all source code Sort “live” code from old/temp code Process Project File or Directory Count #lines of code, comments, files DEMO


Auditing an Application – 2Auditing an Application – 2

Review documentation ERD User Manuals Developer manuals, standards, notes


Auditing an Application – 3Auditing an Application – 3

Review code Project structure, framework Code structure Commenting Maintenance


Tools to Maintain ApplicationTools to Maintain Application

Existing documentation, if any FoxDoc / Documenting Wizard Filer to find code references Object Browser to document object model Hacker’s Guide / Help File


Issues in MaintenanceIssues in Maintenance

Working with older runtimes/older environments “Gee, it doesn’t do that here”

Hardware/OS updates not supported USB Printer on a DOS application WinMe locked at FILES=40


WTF CodeWTF Code

“Two wrongs don’t make a right, but three rights make a left.”


SummarySummary

Business model for maintenance Audit unknown applications Build tools to assist in maintenance Anticipate challenges


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Documents

Entwicklerkonference ‘00 FoxPro Application Maintenance Ted Roche Blackstone Incorporated Ted Roche Blackstone Incorporated