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Adding a New Attribute to hcOPF

TPersistent.com – In order to support a client using SQL Server with replication I needed to add GUID support to hcOPF.  This post is a chronicle of my efforts. If you’re unfamiliar with ThcAttribute you can breathe a sigh of relief.  It’s analagous to a barebones TField implementation which contains two native Delphi scalar fields used to store the original value of the attribute as read from the object store, and the current value as manipulated by the user.  It also contains two booleans to track whether the value of either field is actually NULL.  Using native Delphi fields of the corresponding ...
Favorite? Off-Topic? Larry Hengen @ 2019-09-13 21:04

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