From 7ea5a5a73e6284bbb2547ee714b5c916ffc4584d Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Sun, 25 Jul 2010 23:29:39 +0000
Subject: [PATCH] Install FoldingElementGenerator first to ensure that fold
 markers are always drawn. Fixes InvalidOperationException in
 ICSharpCode.AvalonEdit.Rendering.TextView.BuildVisualLine.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6229 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../ICSharpCode.AvalonEdit/Folding/FoldingManager.cs           | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Folding/FoldingManager.cs b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Folding/FoldingManager.cs
index d96731d390..acc8e591f1 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Folding/FoldingManager.cs
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Folding/FoldingManager.cs
@@ -274,7 +274,8 @@ namespace ICSharpCode.AvalonEdit.Folding
 				margin = new FoldingMargin() { FoldingManager = this };
 				generator = new FoldingElementGenerator() { FoldingManager = this };
 				textArea.LeftMargins.Add(margin);
-				textArea.TextView.ElementGenerators.Add(generator);
+				// HACK: folding only works correctly when it has highest priority
+				textArea.TextView.ElementGenerators.Insert(0, generator);
 				textArea.Caret.PositionChanged += textArea_Caret_PositionChanged;
 			}