diff --git a/Source/Examples/WinForms/W01_First_Window.Designer.cs b/Source/Examples/WinForms/W01_First_Window.Designer.cs
index f8fc8583..195e864b 100644
--- a/Source/Examples/WinForms/W01_First_Window.Designer.cs
+++ b/Source/Examples/WinForms/W01_First_Window.Designer.cs
@@ -78,6 +78,7 @@
             this.glControl1.Size = new System.Drawing.Size(629, 565);
             this.glControl1.TabIndex = 0;
             this.glControl1.VSync = false;
+            this.glControl1.Resize += new System.EventHandler(this.glControl1_Resize);
             this.glControl1.Paint += new System.Windows.Forms.PaintEventHandler(this.glControl1_Paint);
             this.glControl1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.glControl1_KeyDown);
             // 
diff --git a/Source/Examples/WinForms/W01_First_Window.cs b/Source/Examples/WinForms/W01_First_Window.cs
index c0f59f43..eb17fa53 100644
--- a/Source/Examples/WinForms/W01_First_Window.cs
+++ b/Source/Examples/WinForms/W01_First_Window.cs
@@ -45,6 +45,7 @@ namespace Examples.WinForms
         {
             base.OnLoad(e);
 
+            glControl1_Resize(this, EventArgs.Empty);   // Ensure the Viewport is set up correctly
             GL.ClearColor(Color.Crimson);
         }
 
@@ -72,7 +73,7 @@ namespace Examples.WinForms
             glControl1.SwapBuffers();
         }
 
-        private void glControl1_Resize(object sender, OpenTK.Platform.ResizeEventArgs e)
+        private void glControl1_Resize(object sender, EventArgs e)
         {
             if (glControl1.ClientSize.Height == 0)
                 glControl1.ClientSize = new System.Drawing.Size(glControl1.ClientSize.Width, 1);