diff --git a/Source/Examples/Tutorial/T01_Simple_Window.cs b/Source/Examples/Tutorial/T01_Simple_Window.cs
index a7faaa8b..3bcad12e 100644
--- a/Source/Examples/Tutorial/T01_Simple_Window.cs
+++ b/Source/Examples/Tutorial/T01_Simple_Window.cs
@@ -14,6 +14,7 @@ using OpenTK;
 using OpenTK.OpenGL;
 using OpenTK.Fonts;
 using OpenTK.OpenGL.Enums;
+using OpenTK.Input;
 
 namespace Examples.Tutorial
 {
@@ -23,8 +24,28 @@ namespace Examples.Tutorial
     [Example("Simple Window", ExampleCategory.Tutorial, 1)]
     public class T01_Simple_Window : GameWindow
     {
-        public T01_Simple_Window() : base(new DisplayMode(800, 600))
-        { }
+        public T01_Simple_Window() : base()
+        {
+            Keyboard.KeyDown += new OpenTK.Input.KeyDownEvent(Keyboard_KeyDown);
+        }
+
+        #region Keyboard_KeyDown
+
+        /// <summary>
+        /// Occurs when a key is pressed.
+        /// </summary>
+        /// <param name="sender">The KeyboardDevice which generated this event.</param>
+        /// <param name="key">The key that was pressed.</param>
+        void Keyboard_KeyDown(KeyboardDevice sender, Key key)
+        {
+            if ((sender[Key.AltLeft] || sender[Key.AltRight]) && sender[Key.Enter])
+                this.Fullscreen = !this.Fullscreen;
+
+            if (sender[Key.Escape])
+                this.Exit();
+        }
+
+        #endregion
 
         #region OnLoad
 
@@ -68,10 +89,7 @@ namespace Examples.Tutorial
         /// <remarks>There is no need to call the base implementation.</remarks>
         public override void OnUpdateFrame(UpdateFrameEventArgs e)
         {
-            base.OnUpdateFrame(e);
-
-            if (Keyboard[OpenTK.Input.Key.Escape])
-                this.Exit();
+            // Nothing to do!
         }
 
         #endregion
@@ -114,8 +132,7 @@ namespace Examples.Tutorial
             using (T01_Simple_Window example = new T01_Simple_Window())
             {
                 // Get the title and category  of this example using reflection.
-                ExampleAttribute info = ((ExampleAttribute)example.GetType().GetCustomAttributes(false)[0]);
-                example.Title = String.Format("OpenTK | {0} {1}: {2}", info.Category, info.Difficulty, info.Title);
+                Utilities.SetWindowTitle(example);
                 example.Run(30.0, 0.0);
             }
         }
diff --git a/Source/Examples/Utilities.cs b/Source/Examples/Utilities.cs
index 5f3981a6..3624dbe0 100644
--- a/Source/Examples/Utilities.cs
+++ b/Source/Examples/Utilities.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Text;
 using System.Drawing;
 using OpenTK;
+using OpenTK.Input;
 
 namespace Examples
 {
diff --git a/Source/OpenTK/GameWindow.cs b/Source/OpenTK/GameWindow.cs
index 11336f2f..384c1e8f 100644
--- a/Source/OpenTK/GameWindow.cs
+++ b/Source/OpenTK/GameWindow.cs
@@ -201,8 +201,8 @@ namespace OpenTK
         /// </summary>
         public bool Fullscreen
         {
-            get { return false;/* return glWindow.Fullscreen; */ }
-            set { /* glWindow.Fullscreen = value; */}
+            get { return glWindow.Fullscreen; }
+            set { glWindow.Fullscreen = value; }
         }
 
         #endregion
diff --git a/Source/OpenTK/Platform/INativeGLWindow.cs b/Source/OpenTK/Platform/INativeGLWindow.cs
index 398d6279..29a96b35 100644
--- a/Source/OpenTK/Platform/INativeGLWindow.cs
+++ b/Source/OpenTK/Platform/INativeGLWindow.cs
@@ -31,6 +31,7 @@ namespace OpenTK.Platform
         bool IsIdle { get; }
         //IGLContext Context { get; }
         IInputDriver InputDriver { get; }
+        bool Fullscreen { get; set; }
 
         event CreateEvent Create;
         event DestroyEvent Destroy;
diff --git a/Source/OpenTK/Platform/Windows/API.cs b/Source/OpenTK/Platform/Windows/API.cs
index 50906d25..daad6250 100644
--- a/Source/OpenTK/Platform/Windows/API.cs
+++ b/Source/OpenTK/Platform/Windows/API.cs
@@ -2299,6 +2299,13 @@ namespace OpenTK.Platform.Windows
     [StructLayout(LayoutKind.Sequential)]
     internal struct Rectangle
     {
+        internal Rectangle(int width, int height)
+        {
+            left = top = 0;
+            right = width;
+            bottom = height;
+        }
+
         /// <summary>
         /// Specifies the x-coordinate of the upper-left corner of the rectangle.
         /// </summary>
@@ -2316,6 +2323,9 @@ namespace OpenTK.Platform.Windows
         /// </summary>
         internal LONG bottom;
 
+        internal int Width { get { return right - left; } }
+        internal int Height { get { return bottom - top; } }
+
         public override string ToString()
         {
             return String.Format("({0},{1})-({2},{3})", left, top, right, bottom);
diff --git a/Source/OpenTK/Platform/Windows/WinGLNative.cs b/Source/OpenTK/Platform/Windows/WinGLNative.cs
index e6e170a2..cbc4ec32 100644
--- a/Source/OpenTK/Platform/Windows/WinGLNative.cs
+++ b/Source/OpenTK/Platform/Windows/WinGLNative.cs
@@ -30,13 +30,14 @@ namespace OpenTK.Platform.Windows
         private DisplayMode mode = new DisplayMode();
         private IInputDriver driver;
 
-        //private bool fullscreen;
+        private bool fullscreen, visible = true;
         private bool disposed;
         private bool isExiting;
         private bool exists;
         private WindowInfo window = new WindowInfo();
         private int top, bottom, left, right;
         private int width = 0, height = 0;
+        private Rectangle pre_maximized;
 
         private ResizeEventArgs resizeEventArgs = new ResizeEventArgs();
 
@@ -192,13 +193,32 @@ namespace OpenTK.Platform.Windows
         {
             get
             {
-                return false;
-                //throw new NotImplementedException();
+                return fullscreen;
             }
             set
             {
-                throw new NotImplementedException();
-                //fullscreen = false;
+                IntPtr style = IntPtr.Zero;
+                ShowWindowCommand command = (ShowWindowCommand)0;
+                if (value && !Fullscreen)
+                {
+                    style = (IntPtr)(int)(WindowStyle.Popup | WindowStyle.ClipChildren | WindowStyle.ClipSiblings);
+                    command = ShowWindowCommand.SHOWMAXIMIZED;
+                    pre_maximized = new Rectangle(width, height);
+                    Functions.AdjustWindowRect(ref pre_maximized, WindowStyle.OverlappedWindow, false);
+                }
+                else if (!value && Fullscreen)
+                {
+                    style = (IntPtr)(int)(WindowStyle.OverlappedWindow | WindowStyle.ClipChildren | WindowStyle.ClipSiblings);
+                    command = ShowWindowCommand.SHOWNORMAL;
+                }
+                
+                Functions.SetWindowLongPtr(Handle, GetWindowLongOffsets.STYLE, style);
+                Functions.ShowWindow(Handle, command);
+                if (!value && Fullscreen)
+                    Functions.SetWindowPos(Handle, WindowPlacementOptions.TOP, 0, 0, pre_maximized.Width, pre_maximized.Height,
+                        SetWindowPosFlags.SHOWWINDOW);
+
+                fullscreen = value;
             }
         }
 
@@ -253,11 +273,20 @@ namespace OpenTK.Platform.Windows
         {
             get
             {
-                //Functions.GetW
-                return true;
+                return visible;
             }
             set
             {
+                if (value && !Visible)
+                {
+                    Functions.ShowWindow(Handle, ShowWindowCommand.SHOWNORMAL);
+                    visible = true;
+                }
+                else if (!value && Visible)
+                {
+                    Functions.ShowWindow(Handle, ShowWindowCommand.HIDE);
+                    visible = false;
+                }
             }
         }
 
@@ -313,7 +342,7 @@ namespace OpenTK.Platform.Windows
             cp.Width = rect.right - rect.left;
             cp.Height = rect.bottom - rect.top;
             cp.Caption = "OpenTK Game Window";
-
+            
             // Keep in mind that some construction code runs in WM_CREATE,
             // which is raised CreateHandle()
             CreateHandle(cp);