fix assertions on invalid items

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44769 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2007-03-11 23:29:26 +00:00
parent 6d50049a5c
commit 9812391356

View File

@@ -355,14 +355,20 @@ void MyFrame::OnIdle(wxIdleEvent& event)
if ( m_treeCtrl ) if ( m_treeCtrl )
{ {
wxTreeItemId idRoot = m_treeCtrl->GetRootItem(); wxTreeItemId idRoot = m_treeCtrl->GetRootItem();
wxString status;
if (idRoot.IsOk())
{
wxTreeItemId idLast = m_treeCtrl->GetLastChild(idRoot);
status = wxString::Format(
_T("Root/last item is %svisible/%svisible"),
m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
idLast.IsOk() && m_treeCtrl->IsVisible(idLast)
? _T("") : _T("not "));
}
else
status = _T("No root item");
SetStatusText(wxString::Format SetStatusText(status, 1);
(
_T("Root/last item is %svisible/%svisible"),
m_treeCtrl->IsVisible(idRoot) ? _T("") : _T("not "),
m_treeCtrl->IsVisible(m_treeCtrl->GetLastChild(idRoot))
? _T("") : _T("not ")
), 1);
} }
#endif // wxUSE_STATUSBAR #endif // wxUSE_STATUSBAR