From 2ac76e92fa04d33b60087c3dce8db5eb200ece09 Mon Sep 17 00:00:00 2001
From: Scott Talbert <swt@techie.net>
Date: Mon, 15 Dec 2025 20:08:01 -0500
Subject: [PATCH] Bugfix in hypertreelist. Add missing attribute _x_maincol to
 constructor of TreeListMainWindow. Fixes
 https://github.com/wxWidgets/Phoenix/issues/2828

---
 wx/lib/agw/hypertreelist.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wx/lib/agw/hypertreelist.py b/wx/lib/agw/hypertreelist.py
index d01c0757..74ee5ad4 100644
--- a/wx/lib/agw/hypertreelist.py
+++ b/wx/lib/agw/hypertreelist.py
@@ -2341,6 +2341,7 @@ class TreeListMainWindow(CustomTreeCtrl):
         self._curColumn = -1    # no current column
         self._owner = parent
         self._main_column = 0
+        self._x_maincol = 0
         self._dragItem = None
 
         self._imgWidth = self._imgWidth2 = 0