I think the problem is likely related to the "main frame" issue quoted below. I suggest you debug what the app's "main frame" is at any given point in time, and confirming the value is still appropriate.
Mark > On 5/15/07, Mark Hammond <[EMAIL PROTECTED]> wrote: > > > > This is the magic of MFC - if no parent is specified, the > > > "main window" for > > > > the application is automatically used. > > > > > > > > > > Isn't that the issue, then? He's writing a dialog to plug in to > > > Explorer, and every time he runs, there's a different > "main window". > > > MFC gets its concept of a "main window" from its global > > > state, so unless > > > something in the process tells MFC to refresh its global > > > state, it will > > > have stale information. > > > > Quite possibly - I'm afraid I can't recall the exact > semantics for dialog > > based apps, but I suspect that a number of things in MFC > will end up getting > > upset if the nominated main window dies but the application > does not - but > > win32ui.GetApp().SetMainFrame() can be used to change this value > > dynamically. I'm afraid I haven't found the time to read > the other messages > > in enough detail to offer more concrete suggestions (other > than to possibly > > consider using win32gui to avoid future MFCisms from biting) > > Hi Mark, > > Not sure it's helps to clarify my situation, but the dialog in > question is actually a simple subclass of pywin.mfc.dialog, with a > resize handler hooked to WM_SIZE with HookMessage(). > > This dialog forms part of the shell extension registered to Explorer, > which does work similar to TortoiseSVN or TortoiseCVS. The dialog is > then called from the context menu in the Explorer windows by a simple > call of something like this: > > dlg = MyResizableDialog() > dlg.CreateWindow() > > Everything in the dialog works fine, except the ability to resize is > somehow lost when the dialog is opened from subsequent Explorer > windows. > > In any case, if you think it helps, I can email you the code. It'd be > great if you can suggest anything I can try to debug this.Thanks. > _______________________________________________ Python-win32 mailing list Python-win32@python.org http://mail.python.org/mailman/listinfo/python-win32