Re: Re: process an event without a window

posting to binding and posting to wx.GetApp() works flawlessly. Thanks Robin

On Wednesday, February 28, 2018 at 9:17:59 AM UTC-8, kg*2 wrote:
>
> I did consider that, but I need the thread to run even if the __init__ 
> raises an error.. I could wrap the window instantiation in a try/finally 
> and still call the thread, but it leaves me with the same problem of not 
> having a window to post the event to. I wasn't aware that you could bind to 
> the wx.App so I'll try that and see how it works.
>
> On Tuesday, February 27, 2018 at 11:56:09 AM UTC-8, Nicolas Pinault wrote:
>>
>> Le 26/02/2018 à 23:25, kg*2 a écrit :
>>
>> I use a background thread to contact a server and then use PostEvent to 
>> deliver the results to the main thread. This has created a race condition 
>> where the server thread can sometimes (1 in a 100) return before the main 
>> window has been created. I'm currently creating a temporary wx.Frame and 
>> posting the event to that to work around the issue, but I figured there was 
>> a better way to do it. 
>>
>> Why don't you launch your background thread from the main window 
>> __init_() method ? I do this in several of my projects at work without any 
>> issue.
>>
>>
>> On Monday, February 26, 2018 at 10:56:35 AM UTC-8, Robin Dunn wrote: 
>>>
>>> On Friday, February 23, 2018 at 12:17:09 PM UTC-8, kg*2 wrote: 
>>>>
>>>> Is it possible to process a custom event before a window has been 
>>>> created? 
>>>>
>>>
>>> Maybe, it depends on how you need it to work.  There has to be an object 
>>> derived from wx.EvtHandler to bind the handler and to receive the event, 
>>> and unless the MainLoop is running you will only be able to do immediate 
>>> event processing, not holding the event for processing later. For example, 
>>> you could bind a handler to the wx.App object, and then send it an event 
>>> with wx.GetApp().ProcessEvent(event), but with those limitations you may as 
>>> well just call the method directly.
>>>
>>> -- 
>>> Robin Dunn
>>> Software Craftsman
>>> http://wxPython.org
>>>
>>> -- 
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