--- 
+++ 
@@ -25,7 +25,9 @@
      */
     public ValueMarker(double value, Paint paint, Stroke stroke, 
                        Paint outlinePaint, Stroke outlineStroke, float alpha) {
-        super(paint, stroke, paint, stroke, alpha);
+        super(paint, stroke, outlinePaint, outlineStroke, alpha);
+        int index = -2;  // previous number will be -1 and we should also
+        // make the change event for the second marker...
         this.value = value;
     }