From 7936dd1e8546d2518d35bcb82b5c32365b085a3f Mon Sep 17 00:00:00 2001
From: Maciej <maciekwin3@gmail.com>
Date: Thu, 6 Jul 2023 00:52:13 +0200
Subject: [PATCH] Add table example check to prevent crashes (#2691)

Co-authored-by: Tig <tig@users.noreply.github.com>
---
 UICatalog/Scenarios/TableEditor.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/UICatalog/Scenarios/TableEditor.cs b/UICatalog/Scenarios/TableEditor.cs
index 99200329e..3cd92e9c8 100644
--- a/UICatalog/Scenarios/TableEditor.cs
+++ b/UICatalog/Scenarios/TableEditor.cs
@@ -250,6 +250,11 @@ namespace UICatalog.Scenarios {
 
 		private void SetMinAcceptableWidthToOne ()
 		{
+			var columns = tableView?.Table?.Columns;
+			if (columns is null) {
+				MessageBox.ErrorQuery ("No Table", "No table is currently loaded", "Ok");
+				return;
+			}
 			foreach (DataColumn c in tableView.Table.Columns) 
 			{
 				var style = tableView.Style.GetOrCreateColumnStyle (c);
@@ -276,6 +281,10 @@ namespace UICatalog.Scenarios {
 
 		private void RunColumnWidthDialog (DataColumn col, string prompt, Action<ColumnStyle,int> setter,Func<ColumnStyle,int> getter)
 		{
+			if (col is null) {
+				MessageBox.ErrorQuery ("No Table", "No table is currently loaded", "Ok");
+				return;
+			}
 			var accepted = false;
 			var ok = new Button ("Ok", is_default: true);
 			ok.Clicked += () => { accepted = true; Application.RequestStop (); };