Added bool property to the nested car sample (for testing purposes)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57834 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/propgrid/propgrid.cpp

@@ -1660,6 +1660,10 @@ void FormMain::PopulateWithExamples ()
                                             wxPG_LABEL,
                                             300000) );
 
+    pg->AppendIn(carProp, new wxBoolProperty(wxT("Convertible"),
+                                             wxPG_LABEL,
+                                             false) );
+
     // Displayed value of "Car" property is now very close to this:
     // "Lamborghini Diablo SV; 5707 [300; 3.9; 8.6] 300000"