[Lazarus] Library, Threads and Gui
nc-gaertnma at netcologne.de
Tue Jun 5 08:29:06 CEST 2012
On Tue, 05 Jun 2012 10:18:04 +0930
SteveG <steveg at nevets.com.au> wrote:
> I understand that the gui system is non-reentrant, and therefore should
> not be accessed by any thread but the main one.
> I am using cmem as my memory manager for both my app and library (if
> thats relevant),
yes it is relevant.
If you have two memory managers you can not exchange strings and
> and it would appear that the entrant thread of the
> library is the same as the main app ?
> So.... is it safe to read / write to gui components (I have the control
> addresses) from within the library (no new threads created) without
> problems ?
The "is" operator requires that the library uses the VMTs of the main
> To summarise - can I rd/wr to form controls from within a cmem
> controlled library using its main thread ?
Yes, to some degree.
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