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diff --git a/qtsharp/src/examples/tutorials/t7.cs b/qtsharp/src/examples/tutorials/t7.cs
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+++ b/qtsharp/src/examples/tutorials/t7.cs
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+// Qt# tutorial 7
+// Based on the Qt tutorial
+// Implemented by Marcus Urban
+//
+// This example currently does not funtion properly because custom
+// signals are not yet implemented.
+
+using System;
+using Qt;
+
+[DeclareQtSignal ("valueChanged(int)")]
+public class LCDRange : QVBox {
+
+	QSlider slider;
+
+	public LCDRange (QWidget parent, String name) : base (parent, name)
+	// In C++, parent and name have default values of 0 (null pointer)
+	{
+		QLCDNumber lcd = new QLCDNumber (2, this, "lcd" );
+		slider = new QSlider (Orientation.Horizontal, this, "slider");
+		slider.SetRange (0, 99);
+		slider.SetValue (0);
+
+		Connect ( slider, SIGNAL ("valueChanged(int)"), lcd, SLOT ("Display(int)") );
+		Connect ( slider, SIGNAL ("valueChanged(int)"), SIGNAL ("valueChanged(int)"));
+	}
+
+	public LCDRange (QWidget parent) : this (parent, "") {}
+	public LCDRange () : this (null, "") {}
+	// Note that it was necessary to use an empty string ("")
+	// in the above. Using null does not work at runtime.
+
+	public void SetValue (int value)
+	{
+		slider.SetValue (value);
+	}
+}
+
+public class MyWidget : QVBox {
+
+	MyWidget (QWidget parent, String name) : base (parent, name)
+	{
+		QPushButton quit = new QPushButton ("Quit", this, "quit");
+		quit.SetFont ( new QFont ("Times", 18, QFont.Weight.Bold) );
+		
+		Connect ( quit, SIGNAL ("clicked()"), qApp, SLOT ("Quit()") );
+		
+		QGrid grid = new QGrid (4, this);
+		
+		LCDRange previous = null;
+		
+		for ( int c =0; c < 4; c++ ) {
+			for ( int r = 0; r < 4; r++ ) {
+				LCDRange lr = new LCDRange (grid);
+				if (previous != null)
+					Connect (lr, SIGNAL ("valueChanged(int)"),
+						previous, SLOT ("SetValue(int)") );
+				previous = lr;
+			}
+		}
+	}
+	
+	public MyWidget (QWidget parent) : this (parent, "") {}
+	public MyWidget () : this (null, "") {}
+}
+
+public class Example {
+
+	public static int Main (String[] args)
+	{
+		QApplication a = new QApplication (args);
+
+		MyWidget w = new MyWidget ();
+		a.SetMainWidget (w);
+		w.Show ();
+		return a.Exec ();
+	}
+}