From e5a85bb481cfc12c9b3a1359bd00aea77b0bb945 Mon Sep 17 00:00:00 2001
From: Vsevolod Kukol <sevoku@microsoft.com>
Date: Wed, 18 Dec 2019 09:05:33 -0500
Subject: [PATCH] [Mac] Seal internal ComboBox classes

Co-Authored-By: Marius Ungureanu <marius.ungureanu@xamarin.com>
---
 Xwt.XamMac/Xwt.Mac/ComboBoxEntryBackend.cs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Xwt.XamMac/Xwt.Mac/ComboBoxEntryBackend.cs b/Xwt.XamMac/Xwt.Mac/ComboBoxEntryBackend.cs
index a037f2a45..eb4a2c5c0 100644
--- a/Xwt.XamMac/Xwt.Mac/ComboBoxEntryBackend.cs
+++ b/Xwt.XamMac/Xwt.Mac/ComboBoxEntryBackend.cs
@@ -106,7 +106,7 @@ public void SetTextColumn (int column)
 		#endregion
 	}
 
-	class MacComboBoxDelegate : TextFieldDelegate, INSComboBoxDelegate
+	sealed class MacComboBoxDelegate : TextFieldDelegate, INSComboBoxDelegate
 	{
 		WeakReference weakBackend;
 
@@ -130,7 +130,7 @@ public void SelectionChanged (NSNotification notification)
 		}
 	}
 
-	class MacComboBox : NSComboBox, IViewObject
+	sealed class MacComboBox : NSComboBox, IViewObject
 	{
 		IComboBoxEventSink eventSink;
 		ITextEntryEventSink entryEventSink;
@@ -335,4 +335,3 @@ protected override void Dispose (bool disposing)
 		}
 	}
 }
-