[wxPython-users] A wx.MemoryDC question

[Robin Dunn]

Bob Klahn wrote:
> I've been using wx.MemoryDC for a few days now.  But when I first 
> started using it, I failed to associate a bitmap with it properly.  
> wxPython did not issue any warnings, and my code actually did what it 
> was supposed to do.
> 
> But my PC suddenly began acting strangely, requiring multiple reboots.  
> I finally discovered and fixed my bitmap/wx.MemoryDC association error, 
> and ... my PC stopped acting strangely.
> 
> So my question is:  Is it really possible for wx.MemoryDC to write to 
> supposedly protected memory?  

I wouldn't expect so, but you never can tell with Microsoft.

> A few days of circumstantial evidence 
> suggest that it is, and that bothers me.  Or was this simply a multi-day 
> coincidence?

Can you duplicate the problem on any other PC?  (Especially a clean 
install of Windows.)  If so then I'd blame wx.MemoryDC in one way or 
another, but if not then it was most likely a coincidence.


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