diff --git a/Polyhedron/demo/Polyhedron/CGAL_double_edit.cpp b/Polyhedron/demo/Polyhedron/CGAL_double_edit.cpp
index a631b7e01c5..0acf1bffb6c 100644
--- a/Polyhedron/demo/Polyhedron/CGAL_double_edit.cpp
+++ b/Polyhedron/demo/Polyhedron/CGAL_double_edit.cpp
@@ -61,5 +61,20 @@ public:
   {
     this->validator->setRange(min, max);
   }
+
+  double DoubleEdit::getValue()
+  {
+    return this->value();
+  }
+
+  double DoubleEdit::getMinimum()
+  {
+    return this->validator->bottom();
+  }
+
+  double DoubleEdit::getMaximum()
+  {
+    return this->validator->top();
+  }
   #include "CGAL_double_edit.moc"
 
diff --git a/Polyhedron/demo/Polyhedron/CGAL_double_edit.h b/Polyhedron/demo/Polyhedron/CGAL_double_edit.h
index 0cacb15ea49..1b542d2bb22 100644
--- a/Polyhedron/demo/Polyhedron/CGAL_double_edit.h
+++ b/Polyhedron/demo/Polyhedron/CGAL_double_edit.h
@@ -13,7 +13,9 @@ class DoubleValidator;
 class SCENE_EXPORT DoubleEdit : public QLineEdit {
 
   Q_OBJECT
-
+  Q_PROPERTY(double value READ getValue WRITE setValue)
+  Q_PROPERTY(double minimum READ getMinimum WRITE setMinimum)
+  Q_PROPERTY(double maximum READ getMaximum WRITE setMaximum)
 public:
   DoubleEdit(QWidget* parent = nullptr);
   ~DoubleEdit();
@@ -22,6 +24,9 @@ public:
   void setMinimum(double d);
   void setMaximum(double d);
   void setRange(double min, double max);
+  double getValue();
+  double getMinimum();
+  double getMaximum();
 private:
   DoubleValidator* validator;
 };