Fix for crash on exit.

[wxWidgets.git] / src / generic / dirctrlg.cpp

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index 891d11d7aa9472ab8f1cd516b7cb527d300c4367..b42f9d6d9ee0a19f81421dbe1eb061d7841234ad 100644 (file)
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -614,7 +614,9 @@ void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 
     // VS: this is needed because the event handler is called from wxTreeCtrl
     //     ctor when wxTR_HIDE_ROOT was specified
-    if (m_rootId == 0)
+
+    if (!m_rootId.IsOk())
+
         m_rootId = m_treeCtrl->GetRootItem();
 
     ExpandDir(parentId);