[wxPython-users] wxTimer never times out sometimes

[Robin Dunn]

Jeffrey Barish wrote:
> I use the timer in one-shot mode to trigger an action after the user stops
> using the GUI.  As long as the user is clicking on elements in the GUI, the
> timer gets retriggered (using Start).  This scheme works fine most of the
> time, but once in a while the event handler never gets called.  After the
> timer fails once, it seems to be inoperable.  That is, I don't get a
> timeout after performing additional actions that normally would trigger the
> timer.  The only way to restore correct operation is to exit the program
> and restart it.  My only theory is that something goes wrong if wxTimer
> receives a start command at the same time that it is timing out.  That is
> the only scenario I can think of consistent with the sporadic nature of the
> problem.  Perhaps there needs to be a critical section in the code.

A critical section would only be needed if threads are involved, but 
since timers are implemented as events from the platform there shouldn't 
be any.  They are delivered like any other event.

-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java give you jitters?  Relax with wxPython!