[Gtk-sharp-list] Hiding a window

Søren Juul zpon.dk at gmail.com
Wed Jun 20 17:04:37 EDT 2007


Yes of course, the source code is at http://www.zpon.dk/tmp/test.cs - sorry
if it is messy

Søren Juul

2007/6/20, Jacob Ilsø Christensen <jacobilsoe at gmail.com>:
>
> Hi.
>
> Can you supply the source code? Then it's easier to determine what's
> wrong.
>
> Regards,
> Jacob
>
> On 6/20/07, Søren Juul <zpon.dk at gmail.com> wrote:
> > Hi
> >
> > I am working on a very small (simple) application, mainly to get to know
> > gtk-sharp better. But I need to hide a window, while another is showing.
> I
> > want to do this when a button is pushed, I thought I could do this from
> the
> > function connected to the button with the EventHandler, such as "
> > button.Clicked += new EventHandler(next);"
> > and put something like "win.Visible = false;" in that function, but when
> I
> > do this I get a terrible error:
> >
> > Unhandled Exception: System.NullReferenceException : Object reference
> not
> > set to an instance of an object
> >   at dataHolder.test (System.Object temp) [0x00000]
> >   at inputWindow.next (System.Object obj, System.EventArgs args)
> [0x00000]
> >   at (wrapper delegate-invoke)
> > System.MulticastDelegate:invoke_void_object_EventArgs
> > (object,System.EventArgs)
> >   at GLib.Signal.voidObjectCallback (IntPtr handle, IntPtr gch)
> [0x00000]
> >   at (wrapper native-to-managed) GLib.Signal:voidObjectCallback
> > (intptr,intptr)
> >   at <0x00000> <unknown method>
> >   at (wrapper managed-to-native) Gtk.Application:gtk_main ()
> >   at Gtk.Application.Run () [0x00000]
> >   at inputWindow.makeWindow () [0x00000]
> >   at inputWindow..ctor ( System.Object temp) [0x00000]
> >   at Sample.Main () [0x00000]
> >
> > How can I avoid this? Hope my description was understandable, but pleas
> ask
> > if there is something you don't understand.
> >
> > Thanks in advance
> >  Søren Juul
> >
> > _______________________________________________
> > Gtk-sharp-list maillist  -  Gtk-sharp-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> >
> >
>
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