From ba3bceadaec15b9e1b56460de16351a37d940601 Mon Sep 17 00:00:00 2001
From: John <jjenko@volian.com>
Date: Fri, 20 Nov 2015 20:59:25 +0000
Subject: [PATCH] =?UTF-8?q?Added=20a=20forced=20garbage=20collection=20to?=
 =?UTF-8?q?=20fix=20an=20Out=20Of=20Memory=20bug=20that=20results=20from?=
 =?UTF-8?q?=20using=20.Net=E2=80=99s=20Regex=20functions=20(which=20do=20n?=
 =?UTF-8?q?ot=20properly=20reclaim=20memory)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PROMS/Volian.Controls.Library/StepRTB.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/PROMS/Volian.Controls.Library/StepRTB.cs b/PROMS/Volian.Controls.Library/StepRTB.cs
index 51b0525a..a234f432 100644
--- a/PROMS/Volian.Controls.Library/StepRTB.cs
+++ b/PROMS/Volian.Controls.Library/StepRTB.cs
@@ -2517,6 +2517,7 @@ namespace Volian.Controls.Library
 			if (SelectionStack.Count == 0)
 				_SelectionStack = null;
 			Select(selection.SelectionStart, selection.SelectionLength);
+			selection = null;
 		}
 		public class SelectionData
 		{
@@ -2572,6 +2573,7 @@ namespace Volian.Controls.Library
 		}
 		private void FindLinks()
 		{
+			//int oldRegexCacheSize = Regex.CacheSize;
 			string str = Text;
 			_LinkLocations = new List<LinkLocation>();
 			MatchCollection matches = Regex.Matches(str, @"<START](.*?)[[]END>", RegexOptions.Singleline);
@@ -2586,6 +2588,9 @@ namespace Volian.Controls.Library
 					match.Value, matchrtf.Index, matchrtf.Length, thisLink);
 				_LinkLocations.Add(thisLink);
 			}
+			//Regex.CacheSize = 0;
+			GC.Collect(); // there is a memory leak in Regex this fixes it.
+			//Regex.CacheSize = oldRegexCacheSize;
 		}
 		private LinkLocation FindBetweenLinks()
 		{