Contents
Issue 54, February 2000

• News
  Keep up with all that’s new.

• ADO Batch Updates
  Guy Smith-Ferrier shows how ADO’s batch updates compare to the BDE’s capabilities, explaining how to use  batch updates and how they form a pre-requisite for disconnected recordsets, single tier applications and Remote Data Services.

• Algorithms Alfresco: Private Eyes
  So you want to be a spy? Julian Bucknall introduces encryption, its background and terminology, and then describes some of the classic encryption techniques.

• Under Construction: VisiBroker for Delphi 5
  Bob Swart discusses VisiBroker for Delphi 5, using it to provide a handy application which will run rolling adverts on your website.

• Beating the System: Taming The File System, 3
  Dave Jewell continues building his Windows file system object, this month adding in support for file change notifications before calling it a day (for now).

• One Last Compile...
  Cubes not quite to the rescue.

• Patterns And Persistence
  Peter Hinrichsen uses the visitor pattern to build a persistent framework for database applications without any data-aware controls, providing more power and flexibility than the BDE, with true database independence.

• COM Corner: COM+ Events
  Steve Teixeira explains how events work in COM+, part of this month’s release of Windows 2000, with its loosely coupled events model, and what this means for our own COM apps.

• The Delphi Clinic
  Brian Long with more answers to your queries, including: watching TDateTime values in the debugger, the explanation for strange differences between seemingly identical EXE files, mismatches between Common Control Library versions, using dynamic arrays and custom grid drawing.