In wxPropertyGridPageState::DoDelete(), clear grid's m_propHover if it matches the property being deleted

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61571 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/propgrid/propgridpagestate.cpp

@@ -1780,6 +1780,12 @@ void wxPropertyGridPageState::DoDelete( wxPGProperty* item, bool doDelete )
          (parent->IsCategory() || parent->IsRoot()) )
         m_dictName.erase(item->GetBaseName());
 
+	wxPropertyGrid* pg = GetGrid();
+
+	// We need to clear parent grid's m_propHover, if it matches item
+	if ( pg && pg->m_propHover == item )
+		pg->m_propHover = NULL;
+
     // We can actually delete it now
     if ( doDelete )
         delete item;