diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index 3a83d4f057..86a5446cfd 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -1667,6 +1667,8 @@ void wxTreeCtrl::UnselectAll() void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) { + wxCHECK_RET( !IsHiddenRoot(item), _T("can't select hidden root item") ); + if ( m_windowStyle & wxTR_MULTIPLE ) { ::SelectItem(GetHwnd(), HITEM(item), select);