[Gtk-sharp-list] Removing all the widgets from a table Mac OSX GTK#

Billy Schoenberg wasbridge at gmail.com
Sat Jun 28 16:33:39 EDT 2008

Hey, I thought about the Destroy, make new, but I have run into a problem
there, Destroy and Dispose both delete all of the Widgets packed inside of
them, is there anyway to toss out the table but not the widgets packed


On Sat, Jun 28, 2008 at 3:23 PM, Michael Hutchinson <
m.j.hutchinson at gmail.com> wrote:

> On Sat, Jun 28, 2008 at 1:52 PM, Billy Schoenberg <wasbridge at gmail.com>
> wrote:
> > Hey,
> >
> > Thanks for the response. I do not think the code I use to reattch them is
> an
> > issue, but I have attached it below.  The reason I do not think its an
> > issues is because if i comment out those lines I showed you last e-mail
> the
> > program does not crash, it just piles widgets on top of each other.  Also
> > this code works just fine on Windows (all versions) and Linux (SUSE and
> > Ubuntu) I use the "Native Version" of GTK on OSX 10.5 with Mono 1.9.1
> that I
> Ah. Yeah, that's the followup I was going to ask. If it works fine on
> linux and windows, the OS X "native" GTK port is probably to blame.
> It's nowhere near as mature as the other GTK ports.
> You could use the X11 version of GTK on OS X for now, though it's less
> convenient to install, as it requires X11.
> > installed 3 or so months ago.  Do you have any ideas about a work around,
> > another way to remove widgets from a table?
> Firstly, it's bad in a "foreach" to modify the collection over which
> you're iterating, since the enumerator object usually becomes invalid
> (in fact, most of the .NET collections will throw exceptions if you
> try this). Try this:
> while (controller.GTKObjectPropertiesTable.Children.Count > 0)
>  controller.GTKObjectPropertiesTable.Remove(controller.GTKObjectPropertiesTable.Children[0]);
> A workaround could be to do
> controller.GTKObjectPropertiesTable.Visible = false;
> or since you're clearing the entire table, just Destroy() it and
> create a new one.
> Also, doesn't keeping a widget on your controller violate MVC? :)
> --
> Michael Hutchinson
> http://mjhutchinson.com
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