[Gtk-sharp-list] Override of GtkContainerClass::remove

Christian Hoff christian_hoff at gmx.net
Wed Jul 9 01:29:23 EDT 2008

This is a known bug in 
Gtk#(https://bugzilla.novell.com/show_bug.cgi?id=381744). The Remove 
method of the GtkContainerClass ist to be overridden by all classes 
implementing it, but there is no virtual Reomve method generated so it 
cannot be overridden. It is not the container class that actually 
removes the widget.

The gtk_container_remove method of the GtkContainer fires a signal whose 
default signal handler is GtkContainerClass->remove. This remove method, 
if it is not overridden, simply calls 
gtk_container_remove_unimplemented. A temporary workaround would be to 
connect to the remove signal using [GLib.ConnectBefore], do all the 
stuff there and to ignore the Gtk warning.

I will try to provide a patch for this bug as soon as possible, but I've 
had too less time in the past and this patch will require a lot of work.


Debacker schrieb:
> Hi,
> I'm developing a Gtk# library (the ribbon lib for GSoC to be precise), 
> while running my sample app I get the following:
> (Sample:7337): Gtk-WARNING **: GtkContainerClass::remove not 
> implemented for `__gtksharp_14_Ribbons_ApplicationMenu'
> I tried to override the Remove(Widget) method, but it is not marked 
> virtual, so no luck.
> What am I supposed to do, what does it mean?
> Thanks
> Laurent.
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