From 7be80b48f31c1a44dcd1aaba6014255b6c6e5397 Mon Sep 17 00:00:00 2001
From: BDisp <bd.bdisp@gmail.com>
Date: Tue, 28 May 2024 22:43:11 +0100
Subject: [PATCH] Added CollectionChanged event to the IListDataSource
 interface.

---
 Terminal.Gui/Views/ListView.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Terminal.Gui/Views/ListView.cs b/Terminal.Gui/Views/ListView.cs
index bf2586185..1a9aff633 100644
--- a/Terminal.Gui/Views/ListView.cs
+++ b/Terminal.Gui/Views/ListView.cs
@@ -1,4 +1,6 @@
 using System.Collections;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
 using static Terminal.Gui.SpinnerStyle;
 
 namespace Terminal.Gui;
@@ -6,6 +8,11 @@ namespace Terminal.Gui;
 /// <summary>Implement <see cref="IListDataSource"/> to provide custom rendering for a <see cref="ListView"/>.</summary>
 public interface IListDataSource
 {
+    /// <summary>
+    /// Event to raise when an item is added, removed, or moved, or the entire list is refreshed.
+    /// </summary>
+    event NotifyCollectionChangedEventHandler CollectionChanged;
+
     /// <summary>Returns the number of elements to display</summary>
     int Count { get; }