X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/502a2b1810943f9a446a16e73ef780321eb69a06..6ba7c06eeeda47b88783025428ca0f290e3bf236:/include/wx/msw/treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index b99a97724a..dd1deab918 100644
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -439,7 +439,7 @@ private:
                              class wxTreeItemIndirectData *data);
     bool HasIndirectData(const wxTreeItemId& item) const;
     bool IsDataIndirect(wxTreeItemData *data) const
-        { return data->GetId().m_pItem == 0; }
+        { return data && data->GetId().m_pItem == 0; }
 
     // the hash storing the items attributes (indexed by items ids)
     wxHashTable m_attrs;
@@ -450,6 +450,9 @@ private:
     // used for dragging
     wxDragImage *m_dragImage;
 
+    // Virtual root item, if wxTR_HIDE_ROOT is set.
+    void* m_pVirtualRoot;
+
     // the starting item for selection with Shift
     WXHTREEITEM m_htSelStart;