Thank all! I got it now.
On Mon, Mar 19, 2012 at 1:30 AM, Neil Muller <drnlmuller+...@gmail.com> wrote: > On 19 March 2012 06:02, Zhenjiang Lan <lan.zhenji...@gmail.com> wrote: >> Hi all experts, >> I create a button, connect to a FileChooserDialog. When I click the >> button, I can choose a file and print it's name. >> But, if I click 'cancel' for the first time, then I click the button >> again, it crashed.. > > You have dialog as a class attribute on your choosefile class, so it's > only instantiated once. Since you call dialog.destroy() in the run > method, and then try to rerun the dialog, the crash is not surprising. > > There are a couple of ways to fix this. I'd explicitly make choosefile > a singleton and use dialog.hide(), but you could also make it an > instance variable (by creating in choosefile's __init__ method) and > thus recreate the file chooser on each run. > > -- > Neil Muller > drnlmul...@gmail.com > > I've got a gmail account. Why haven't I become cool? _______________________________________________ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
