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

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Archive for July 22nd, 2009

Delphi – Frames as visual Components – changing your inheritance

Posted by jpluimers on 2009/07/22

Did you ever get this error message when creating TFrame descendants?
Message

---------------------------
Error Reading Form
---------------------------
Error reading TDioptreFrame.ClientHeight: Property ClientHeight does not exist. Ignore the error and continue?
NOTE: Ignoring the error may cause components to be deleted or property values to be lost.
---------------------------
Ignore   Cancel   Ignore All
---------------------------

It is odd: TFrame descendants do not have a ClientHeight property!

If you press Cancel, then you get this error message.

Message

---------------------------
Error
---------------------------
Error creating form: Error reading TDioptreFrame.ClientHeight: Property ClientHeight does not exist.
---------------------------
OK
---------------------------

I did, and here is a reason why it can happen.
Read the rest of this entry »

Posted in Component Development, Delphi, Development, Package Development, QC, Software Development | 15 Comments »

 
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