reduce use of "execute" on cosmetic changes.

src/Mod/TechDraw/Gui/ViewProviderViewPart.cpp

@@ -32,12 +32,9 @@
 #include <Base/Console.h>
 #include <Base/Parameter.h>
 //#include <Base/Exception.h>
-//#include <Base/Sequencer.h>
 #include <App/Application.h>
 #include <App/Document.h>
 #include <App/DocumentObject.h>
-//#include <Gui/SoFCSelection.h>
-//#include <Gui/Selection.h>
 
 #include <Mod/TechDraw/App/DrawViewDimension.h>
 #include <Mod/TechDraw/App/DrawHatch.h>
@@ -59,8 +56,38 @@ ViewProviderViewPart::ViewProviderViewPart()
 
 ViewProviderViewPart::~ViewProviderViewPart()
 {
+
 }
 
+void ViewProviderViewPart::updateData(const App::Property* prop)
+{
+    if (prop == &(getViewObject()->LineWidth)   ||
+        prop == &(getViewObject()->HiddenWidth) ||
+        prop == &(getViewObject()->ShowCenters) ||
+        prop == &(getViewObject()->CenterScale) ||
+        prop == &(getViewObject()->ShowSectionLine)  ||
+        prop == &(getViewObject()->HorizSectionLine) ||
+        prop == &(getViewObject()->ArrowUpSection)   ||
+        prop == &(getViewObject()->SymbolSection)    ||
+        prop == &(getViewObject()->HorizCenterLine)  ||
+        prop == &(getViewObject()->VertCenterLine) ) {
+        // redraw QGIVP
+        QGIView* qgiv = getQView();
+        if (qgiv) {
+            qgiv->updateView(true);
+        }
+     }
+
+
+    ViewProviderDrawingView::updateData(prop);
+}
+
+void ViewProviderViewPart::onChanged(const App::Property* prop)
+{
+    ViewProviderDrawingView::onChanged(prop);
+}
+
+
 void ViewProviderViewPart::attach(App::DocumentObject *pcFeat)
 {
     // call parent attach method