From c63f521ec3fe37d08b61373d92ccd35f9af293c2 Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Fri, 24 Jan 2014 15:32:11 +0100
Subject: [PATCH] fixes #288: Crash when quickly closing several view contents.

---
 .../AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
index 48311f1280..1172b64e85 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Rendering/TextView.cs
@@ -1621,14 +1621,14 @@ namespace ICSharpCode.AvalonEdit.Rendering
 		[ThreadStatic] static bool invalidCursor;
 		
 		/// <summary>
-		/// Updates the mouse cursor by calling <see cref="Mouse.UpdateCursor"/>, but with input priority.
+		/// Updates the mouse cursor by calling <see cref="Mouse.UpdateCursor"/>, but with background priority.
 		/// </summary>
 		public static void InvalidateCursor()
 		{
 			if (!invalidCursor) {
 				invalidCursor = true;
 				Dispatcher.CurrentDispatcher.BeginInvoke(
-					DispatcherPriority.Input,
+					DispatcherPriority.Background, // fixes issue #288
 					new Action(
 						delegate {
 							invalidCursor = false;