Also update description text when wxPG_DESCRIPTION window style is toggled

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56237 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/propgrid/manager.cpp

@@ -1287,6 +1287,8 @@ void wxPropertyGridManager::RecreateControls()
                 wxEmptyString,wxDefaultPosition,wxDefaultSize,wxALIGN_LEFT|wxST_NO_AUTORESIZE);
             m_pTxtHelpContent->SetCursor ( *wxSTANDARD_CURSOR );
         }
+
+        SetDescribedProperty(GetSelection());
     }
     else
     {