[Gtk-sharp-list] Events in Gtk#
Mon, 28 Mar 2005 22:08:05 -0600
Well, wish I could offer a suggestion. I compiled it as follows and it
ran, and closed, without any trouble:
mcs csfile.cs -pkg:gtk-sharp
Also, you could lose half of your namespace references. In this case all
you need is the references to Gtk and System.
Douglas A Wolfe wrote:
>Sorry, For the repeated message, but I wasn't a member before.
>I am not sure if this is the place to ask, but I will anyway.
>I am trying to create a project using gtk in c#. I have tried
>developing in Visual Studio and in SharpDevelop. I have what seems
>to be a simple problem, but I have not been able to solve it and I
>have looked over the internet everywhere and not found a solution.
>My problem is whenever I add an event and then try to call the event I
>get an error. For Instance, when I hit the close button using the
>simple code found at the bottom of the message. I get this error: "An
>unhandled exception of type System.ArgumentNullException' occurred in
>Additional information: Value cannot be null."
>The program stops right after Application.Run(). and never follows
>the event to "delete_cb." I have tried using other events including
>a treeview.buttonpressevent and I have gotten the same error. The
>only event that I have found works for me is the button_clicked event.
>Does anybody know how to fix this? Thanks in advance.
> using Gtk;
> using Gdk;
> using GLib;
> using System;
> using GtkSharp;
> public class GtkStart
> public static void Main(string args)
> Gtk.Window win = new Gtk.Window ("Menu Sample App");
> win.DeleteEvent += new DeleteEventHandler (delete_cb);
> static void delete_cb (object o, DeleteEventArgs args)
> //SignalArgs sa = (SignalArgs) args;
> Application.Quit ();
> //sa.RetVal = true;
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