From 5739a45f9baa807876df3a174ddfee2fdca6695a Mon Sep 17 00:00:00 2001
From: Thomas Nind <TZNind@dundee.ac.uk>
Date: Fri, 25 Mar 2022 13:12:59 +0000
Subject: [PATCH] Dispose `FileSystemWatcher` instance before creating another
 in `FileDialog`

---
 Terminal.Gui/Windows/FileDialog.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Terminal.Gui/Windows/FileDialog.cs b/Terminal.Gui/Windows/FileDialog.cs
index 8e284dc0f..45727532c 100644
--- a/Terminal.Gui/Windows/FileDialog.cs
+++ b/Terminal.Gui/Windows/FileDialog.cs
@@ -51,6 +51,10 @@ namespace Terminal.Gui {
 			bool valid = false;
 			try {
 				dirInfo = new DirectoryInfo (value == null ? directory.ToString () : value.ToString ());
+
+				// Dispose of the old watcher
+				watcher?.Dispose ();
+
 				watcher = new FileSystemWatcher (dirInfo.FullName);
 				watcher.NotifyFilter = NotifyFilters.Attributes
 				 | NotifyFilters.CreationTime