On Thu, 18 May 2017 02:43:10 +0300
Kostas Michalopoulos via Lazarus <[email protected]> wrote:

> I see the patch was added and Lazarus seems to work fine now, but the check
> was altered a little. The current check assumes that the Control will never
> be nil, but is this the case?

The "is" operator checks for nil.

 if Assigned(Control) and (Control is TCustomForm) then 

<=>

 if Control is TCustomForm then


Mattias
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