From 0e1cc953ae62482023dae35770395fdc19222fab Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 4 Jan 2014 20:48:28 +0000
Subject: [PATCH] Reset sorting column index in generic wxDataViewCtrl when
 clearing columns.

Otherwise we could continue to use the now invalid index for sorting.

Closes #15803.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75533 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/datavgen.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 98205fe63d..4064ee91a5 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -5016,6 +5016,7 @@ bool wxDataViewCtrl::ClearColumns()
 {
     SetExpanderColumn(NULL);
     m_cols.Clear();
+    m_sortingColumnIdx = wxNOT_FOUND;
     m_colsBestWidths.clear();
 
     m_clientArea->ClearCurrentColumn();