Re: wxNotebook and DeleteAllPages()

Great!  Thanks much!

On Wednesday, April 26, 2017 at 7:12:36 PM UTC-6, Robin Dunn wrote:
>
> PyMapper Developer wrote:
>
> Okay, that makes sense.   So, in changing the code to add three new panels 
> instead
>  
>      nbPanel1 = wx.Window(self.testNotebook) 
>      nbPanel2 = wx.Window(self.testNotebook) 
>      nbPanel3= wx.Window(self.testNotebook) 
>      self.testNotebook.AddPage(nbPanel1, "test1") 
>      self.testNotebook.AddPage(nbPanel2, "test2") 
>      self.testNotebook.AddPage(nbPanel3, "test3") 
>
> I end up with this error instead once I try to do the DeleteAllPages()
>
> wx._core.wxAssertionError: C++ assertion "(int)m_pages.Count() == 
> (int)::SendMessageW((((HWND)GetHWND())), (0x1300 + 4), 0, 0L)" failed at 
> ..\..\src\msw\notebook.cpp(343) in wxNotebook::GetPageCount():
>
> Visually, I see the Notebook in the frame get the new page right before it 
> crashes.
>
>
>
> Ok, it looks like the wrong DeleteAllPages method is being called on 
> Windows, it works fine on the other platforms.  On Windows it is calling 
> only the base class method and so the tabs in the native widget are not 
> being removed. I'll fix that problem for the next release.  In the meantime 
> you can call DeletePage for each tab.
>
>
>     def DeletePages(self, event):
>         #self.testNotebook.DeleteAllPages()
>         while self.testNotebook.GetPageCount():
>             self.testNotebook.DeletePage(0)
>     
>         otherPanel = wx.Window(self.testNotebook)
>         self.testNotebook.AddPage(otherPanel, "NewPanel")
>
>
> -- 
> Robin Dunn
> Software Craftsman 
> http://wxPython.org
>

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