GtkSharp/gtk/Container.custom

// Container.custom - customizations to Gtk.Container
//
// Authors: Mike Kestner  <mkestner@ximian.com>
//
// Copyright (c) 2004 Novell, Inc.

[DllImport("libgtk-win32-2.0-0.dll")]
static extern IntPtr gtk_container_get_children (IntPtr raw);

public Widget[] Children {
	get {
		IntPtr list_ptr = gtk_container_get_children (Handle);
		if (list_ptr == IntPtr.Zero)
			return new Widget [0];

		GLib.List list = new GLib.List (list_ptr);
		Widget[] result = new Widget [list.Count];
		for (int i = 0; i < list.Count; i++)
			result [i] = list [i] as Widget;
		return result;
	}
}

[DllImport("libgtk-win32-2.0-0.dll")]
static extern bool gtk_container_get_focus_chain (IntPtr raw, out IntPtr list_ptr);

[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_container_set_focus_chain (IntPtr raw, IntPtr list_ptr);

public Widget[] FocusChain {
	get {
		IntPtr list_ptr;
		bool success = gtk_container_get_focus_chain (Handle, out list_ptr);
		if (!success)
			return new Widget [0];

		GLib.List list = new GLib.List (list_ptr);
		Widget[] result = new Widget [list.Count];
		for (int i = 0; i < list.Count; i++)
			result [i] = list [i] as Widget;
		return result;
	}
	set {
		GLib.List list = new GLib.List (IntPtr.Zero);
		foreach (Widget val in value)
			list.Append (val.Handle);
		gtk_container_set_focus_chain (Handle, list.Handle);
	}
		
}