From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 17 Dec 2002 23:22:38 +0000 (+0000)
Subject: reset virtual root to NULL in DeleteAllItems()
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/bfedf6212c58824b38bffb7ebd9ec78479769141

reset virtual root to NULL in DeleteAllItems()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18314 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 66698a8537..a6fa885c52 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -1659,8 +1659,14 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
 
 void wxTreeCtrl::DeleteAllItems()
 {
-    // delete stored root item.
-    delete GET_VIRTUAL_ROOT();
+    // delete the "virtual" root item.
+    if ( GET_VIRTUAL_ROOT() )
+    {
+        delete GET_VIRTUAL_ROOT();
+        m_pVirtualRoot = NULL;
+    }
+
+    // and all the real items
 
     if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {