private void ButtonWhyIsTemplateIncompleteClick(object sender, RoutedEventArgs e)
        {
            var invalidControl = TemplateControl.FindInvalidControl();

            if (invalidControl != null)
            {
                invalidControl.NotifyIfInvalid();
                AnimateStatusBarText("Missing answer for: " + invalidControl.NodeName);
            }
            else
            {
                var missingMarkupControl = TemplateControl.FindControlWithMissingMarkup();
                if (missingMarkupControl != null)
                {
                    string missingMarkupMessage = String.Empty;
                    switch (missingMarkupControl.GeometricShapeWpfControl.GeometricShape.GeometricShape)
                    {
                    case AimTemplateTreeGeometricShapeNode.GeometricShapes.MultiPoint:
                        missingMarkupMessage = "line or protractor/angle";
                        break;

                    case AimTemplateTreeGeometricShapeNode.GeometricShapes.Polyline:
                        missingMarkupMessage = "rectangle or polygon";
                        break;

                    case AimTemplateTreeGeometricShapeNode.GeometricShapes.Circle:
                        missingMarkupMessage = "ellipse";
                        break;

                    case AimTemplateTreeGeometricShapeNode.GeometricShapes.Ellipse:
                        missingMarkupMessage = "ellipse";
                        break;

                    case AimTemplateTreeGeometricShapeNode.GeometricShapes.Point:
                        missingMarkupMessage = "point callout or crosshair";
                        break;
                    }

                    missingMarkupControl.GeometricShapeWpfControl.Valid = false;
                    missingMarkupControl.GeometricShapeWpfControl.NotifyIfInvalid();
                    if (missingMarkupControl.MarkupCount == 1)
                    {
                        AnimateStatusBarText("Missing " + missingMarkupMessage + " markup");
                    }
                    else
                    {
                        AnimateStatusBarText("Missing " + missingMarkupControl.MarkupCount + " " + missingMarkupMessage + " markups");
                    }
                }
                else if (Annotation.Configuration.AimSettings.Default.RequireMarkupInAnnotation &&
                         Component.AimTemplateTree.Markup.Count == 0)
                {
                    AnimateStatusBarText("Missing graphic markup on image.");
                }
            }
        }