From 49ff1af16a51c60b9f9b40fce296ca852f5064da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Thu, 28 Dec 2023 10:44:08 +0100
Subject: [PATCH] CtrlDisplayListView: Zero the window ptr, do the delete.

See #18510
---
 Windows/GEDebugger/CtrlDisplayListView.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Windows/GEDebugger/CtrlDisplayListView.cpp b/Windows/GEDebugger/CtrlDisplayListView.cpp
index 7318beb808..2d9e64239d 100644
--- a/Windows/GEDebugger/CtrlDisplayListView.cpp
+++ b/Windows/GEDebugger/CtrlDisplayListView.cpp
@@ -77,8 +77,7 @@ LRESULT CALLBACK CtrlDisplayListView::wndProc(HWND hwnd, UINT msg, WPARAM wParam
 {
 	CtrlDisplayListView *win = CtrlDisplayListView::getFrom(hwnd);
 
-	switch(msg)
-	{
+	switch(msg) {
 	case WM_NCCREATE:
 		// Allocate a new CustCtrl structure for this window.
 		win = new CtrlDisplayListView(hwnd);
@@ -86,6 +85,8 @@ LRESULT CALLBACK CtrlDisplayListView::wndProc(HWND hwnd, UINT msg, WPARAM wParam
 		// Continue with window creation.
 		return win != NULL;
 	case WM_NCDESTROY:
+		SetWindowLongPtr(hwnd, GWLP_USERDATA, 0);
+		delete win;
 		break;
 	case WM_SIZE:
 		win->redraw();