Fix scenario code

UICatalog/Scenarios/AnsiRequestsScenario.cs

@@ -322,7 +322,7 @@ public sealed class AnsiEscapeSequenceRequests : Scenario
     private void UpdateResponses ()
     {
         _lblSummary.Text = GetSummary ();
-        _lblSummary.SetNeedsDisplay ();
+        _lblSummary.SetNeedsDraw();
     }
 
     private string GetSummary ()
@@ -371,7 +371,7 @@ public sealed class AnsiEscapeSequenceRequests : Scenario
                                         .Select (g => new PointF (g.Key, g.Count ()))
                                         .ToList ();
         //  _graphView.ScrollOffset  = new PointF(,0);
-        _graphView.SetNeedsDisplay ();
+        _graphView.SetNeedsDraw();
 
     }
 

UICatalog/Scenarios/Images.cs

@@ -117,7 +117,7 @@ public class Images : Scenario
                                    ? CheckState.Checked
                                    : CheckState.UnChecked;*/
 
-        cbSupportsSixel.CheckedStateChanging += (s, e) =>
+        _cbSupportsSixel.CheckedStateChanging += (s, e) =>
                                                 {
                                                     _sixelSupportResult.IsSupported = e.NewValue == CheckState.Checked;
                                                     SetupSixelSupported (e.NewValue == CheckState.Checked);