Re: Creating new TForm causes 'Out of Resources' error on WinXP

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#2736

From: Dan Mayo
Date: Fri, 19 Jan 2007 15:11

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Is there anything wrong with doing destruction of a form like this?
theForm->Release();
Application->ProcessMessages();
//then go on my merry way... (I was noticing without ProcessMessages 
that theForm was still in memory..

Is there a better way?

Dan Mayo wrote:
>  From the help file:
> "Note:    When working with form objects, do not explicitly call the 
> Free or Destroy method to free them. Instead, use the Release method, 
> which waits until all event handlers have finished executing."
> 
> Does this mean I should call "theDialog->Release();" rather than "delete 
> theDialog;"?
> 
> Reading the "Release()" function call help the note appears 
> contradictory to the TForm() section:
> 
> "Note:    Release returns immediately to the caller. It does not wait 
> for the form to be freed before returning."
> 
> So does Release() wait for everything to be done first before returning 
> to the next line in code?  Do I need to call both Release() and then 
> delete?  Is there something I should do to make sure that Release() has 
> finished prior to calling delete?
> 
> Dan

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Date: Fri, 19 Jan 2007 09:11:41 -0600
From: Dan Mayo <dmayo@dickey-john.com>
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Subject: Re: Creating new TForm causes 'Out of Resources' error on WinXP
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