[Gtk-sharp-list] Mono-cairo and Gtk# question regarding expose event

Martin Schanzenbach mschanzenbach at gmail.com
Mon Sep 10 08:47:15 EDT 2007

Am Montag, den 10.09.2007, 11:44 +0200 schrieb Eskil Bylund:
> When calling g_signal_connect the handler will be called before the
> default handler, i.e. the custom drawing happens before all the other
> widgets are drawn. The opposite is done by gtk-sharp when connecting
> to an event. The order can be changed by using the
> GLib.ConnectBeforeAttribute.
> [GLib.ConnectBefore]
> public void Expose(object o, Gtk.ExposeEventArgs args)
> {...}
> The other (recommended) way is to subclass the object and override the
> virtual method for the default handler.
> protected override bool OnExposeEvent(Gdk.EventExpose evnt)
> {
> // Custom drawing before and/or after the default handler.
> // The default handler can also be ignored completely.
> return base.OnExposeEvent(evnt);
> }
> Eskil

Thank you very much that did it.

Martin Schanzenbach

More information about the Gtk-sharp-list mailing list