From 79db23fd80aa33e4bf13dbd330cccaf228ce509f Mon Sep 17 00:00:00 2001
From: lytico <lytio@users.sourceforge.net>
Date: Thu, 28 May 2020 22:54:23 +0200
Subject: [PATCH] Gtk.Container.gtksharp_container_base_forall &
 CellRenderer.gtksharp_cellrenderer_base_get_size: check if obj is null

---
 Source/Libs/GtkSharp/CellRenderer.GetSize.cs | 2 ++
 Source/Libs/GtkSharp/Container.Forall.cs     | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Source/Libs/GtkSharp/CellRenderer.GetSize.cs b/Source/Libs/GtkSharp/CellRenderer.GetSize.cs
index 41145e44a..d499ae5dd 100644
--- a/Source/Libs/GtkSharp/CellRenderer.GetSize.cs
+++ b/Source/Libs/GtkSharp/CellRenderer.GetSize.cs
@@ -127,6 +127,8 @@ namespace Gtk
 			}
 
 			var obj = TryGetObject (cell);
+			if (obj == default)
+				return;
 			var parent = obj.NativeType;
 			while ((parent = parent.GetBaseType ()) != GLib.GType.None) {
 				
diff --git a/Source/Libs/GtkSharp/Container.Forall.cs b/Source/Libs/GtkSharp/Container.Forall.cs
index 788a0dd5f..a6ade093d 100644
--- a/Source/Libs/GtkSharp/Container.Forall.cs
+++ b/Source/Libs/GtkSharp/Container.Forall.cs
@@ -137,6 +137,9 @@ namespace Gtk
 				return;
 
 			var obj = TryGetObject(container);
+			if (obj == default)
+				return;
+			
 			var parent = obj.NativeType;
 			while ((parent = parent.GetBaseType()) != GLib.GType.None) {
 				if (parent.ToString().StartsWith("__gtksharp_")) {