From 6e87f071b8642456b1c29210b02a75d4c10de8b7 Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Tue, 20 Sep 2016 12:41:21 +0200
Subject: [PATCH] Shutdown() clear out some remaining pointers (#836)

---
 imgui.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/imgui.cpp b/imgui.cpp
index bdd08a30b..ed0c13d6b 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -2335,10 +2335,13 @@ void ImGui::Shutdown()
     }
     g.Windows.clear();
     g.WindowsSortBuffer.clear();
+    g.CurrentWindow = NULL;
     g.CurrentWindowStack.clear();
     g.FocusedWindow = NULL;
     g.HoveredWindow = NULL;
     g.HoveredRootWindow = NULL;
+    g.ActiveIdWindow = NULL;
+    g.MovedWindow = NULL;
     for (int i = 0; i < g.Settings.Size; i++)
         ImGui::MemFree(g.Settings[i].Name);
     g.Settings.clear();
@@ -2347,6 +2350,8 @@ void ImGui::Shutdown()
     g.FontStack.clear();
     g.OpenPopupStack.clear();
     g.CurrentPopupStack.clear();
+    g.SetNextWindowSizeConstraintCallback = NULL;
+    g.SetNextWindowSizeConstraintCallbackUserData = NULL;
     for (int i = 0; i < IM_ARRAYSIZE(g.RenderDrawLists); i++)
         g.RenderDrawLists[i].clear();
     g.OverlayDrawList.ClearFreeMemory();