add tutorial file

svn path=/trunk/gtk-sharp/; revision=8834

sample/tutorial/radiobuttons/Makefile

@@ -0,0 +1,11 @@
+
+CSC  =	mcs
+
+DLLS =	-r glib-sharp.dll     \
+	-r gtk-sharp.dll      \
+	-r System.Drawing.dll
+
+all:
+	$(CSC) /unsafe $(DLLS) radiobuttons.cs
+clean: 
+	rm -f *.exe

sample/tutorial/radiobuttons/radiobuttons.cs

@@ -0,0 +1,88 @@
+// radiobuttons.cs - Gtk# Tutorial example
+//
+// Author: Johannes Roith <johannes@jroith.de>
+//
+// (c) 2002 Johannes Roith
+
+namespace GtkSharpTutorial {
+
+
+	using Gtk;
+	using GtkSharp;
+	using System;
+	using System.Drawing;
+
+
+	public class radiobuttons
+	{
+
+		static GLib.SList group = null;
+
+		static void delete_event (object obj, DeleteEventArgs args)
+		{
+			Application.Quit();
+		}
+
+		static void exitbutton_event (object obj, EventArgs args)
+		{
+			Application.Quit();
+		}
+
+		public static void Main(string[] args)
+		{
+
+			Application.Init();   
+      
+   
+			Window window = new Window("radio buttons");
+			  
+			window.DeleteEvent += new DeleteEventHandler (delete_event);
+			
+			window.BorderWidth = 0;
+			
+			VBox box1 = new VBox (false, 0);
+			window.Add(box1);
+			box1.Show();
+			
+			VBox box2 = new VBox (false, 10);
+			box2.BorderWidth = 10;
+			box1.PackStart(box2, true, true, 0);
+			box2.Show();
+			
+			RadioButton radiobutton = new RadioButton  (null, "button1");
+			box2.PackStart(radiobutton, true, true, 0);
+			radiobutton.Show();
+			group = radiobutton.Group;
+			RadioButton radiobutton2 = new RadioButton(group, "button2");
+			radiobutton2.Active = true;
+			box2.PackStart(radiobutton2, true, true, 0);
+			radiobutton2.Show();
+			
+			RadioButton  radiobutton3 = RadioButton.NewWithLabelFromWidget(radiobutton, "button3");
+			box2.PackStart(radiobutton3, true, true, 0);
+			radiobutton3.Show();
+			
+			HSeparator separator = new HSeparator ();
+			box1.PackStart (separator,false, true, 0);
+			separator.Show();
+			
+			VBox box3 = new VBox(false, 10);
+			box3.BorderWidth = 10;
+			box1.PackStart(box3,false, true, 0);
+			box3.Show();
+			
+			Button button = new Button ("close");
+			button.Clicked += new EventHandler (exitbutton_event);
+			
+			box3.PackStart(button, true, true, 0);
+			button.CanDefault = true;
+			button.GrabDefault();
+			button.Show();
+			  
+			window.ShowAll();
+			     
+			Application.Run();
+			
+		}
+	}
+}