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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for June 20th, 2018

Two cool features of the TestInsight treeview – navigate and copy

Posted by jpluimers on 2018/06/20

TestInsight is a great tool for automatically running your unit tests and seeing the results to make you more productive.

Two of the results treeview features you might not know make you even more productive:

  • After selecting a node, pressing Ctrl-C will copy the content as text to the clipboard
  • Double clicking will bring you to the unit test in your source code

You can get TestInsight at sglienke / TestInsight — Bitbucket

–jeroen

Posted in Conference Topics, Conferences, Delphi, Development, Event, Software Development | 1 Comment »

Class helpers and virtual methods – E2003 Undeclared identifier: ‘QueryInterface’/ ‘_AddRef’/’_Release’

Posted by jpluimers on 2018/06/20

Reminder to self: if you want to stay compatible with old (Pre Delphi XE) source code, then do not use virtual methods in class helpers.

Technically you can, as class helpers can inherit from other class helpers, but this is only supported as of Delphi XE.

In lower versions you get these errors as apparently the Delphi compiler tags an IInterface to the class helper compiler result:

[Error] Project1.dpr(14): E2003 Undeclared identifier: 'QueryInterface'
[Error] Project1.dpr(14): E2003 Undeclared identifier: '_AddRef'
[Error] Project1.dpr(14): E2003 Undeclared identifier: '_Release'

Source: [WayBackQualityCentral 9782

–jeroen

Posted in Delphi, Development, QC, Software Development | 2 Comments »

 
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