Contents
Issue 31, March 1998

• News
  Updates and product information

• Surviving Client/Server: Three-Tier Applications With MIDAS
  Steve Troxell and colleague Scott Samet explain what tiers are all about, why they are important, and show how to write multi-tier applications with TClientDataSet, TProvider, and the related new components from Delphi 3

• Web Commerce With Delphi: Live Transaction Processing
  Peter Hyde returns to Web Commerce, describing the options available for implementing live credit card transaction processing, complete with ready to run sample code

• Hang Onto Yourself
  Julian Bucknall concludes his 2-parter exploration of hash tables and how to use them in your Delphi applications to make finding text strings in long lists really quick, plus thereÆs a natty hash-index record manager ready to plug right into your programs!

• Beating The System: Exploring DelphiÆs Closed-Tools API, 3
  Dave Jewell concludes his examination of Delphi's LibIntf unit, with a peek into the workings of the TIModule and TIForm classes

• One Last Compile...
  Testing times

• Under Construction: A Simple Spelling Checker
  Bob Swart describes the implementation of a spelling checker using minimal resources: ideal for when the Full Monty would be over the top!

• Delphi Meets COM: Part 4
  This month Dave Jewell describes some more handy shell extensions: copy hook handlers, icon handlers and property sheet handlers, plus introduces DelphiÆs support for dispatch interfaces

• Writing Microsoft SQL Server Extended Stored Procedures
  SQL Server has the powerful capability to make functions in DLLs available as stored procedures, and Berend de Boer has a nifty framework which makes developing such DLLs a piece of cake

• The Delphi Clinic
  Brian Long with more answers to your queries, including: fixing a Delphi 3 display glitch, how to copy the contents of RichEdit controls, rounding of floating point numbers, plus how to store icons and metafiles in database graphic fields.

Update: Calling 16-bit code from 32-bit. Brian describes the latest update to his popular ôthunkingöcode

• Table Source Generator Expert
  Bob Swart describes development of a Delphi Expert which automatically creates source code to regenerate database tables and index files: ideal for plugging into your application so you donÆt have to ship empty table files!

• On The Disk