From a15202b44a96c192063afd3459c58cf14a6f0015 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Tue, 3 Jan 2012 15:39:23 +0100
Subject: [PATCH] Fix AvalonEdit .NET 3.5 build.

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

diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Editing/EditingCommandHandler.cs b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Editing/EditingCommandHandler.cs
index 18b85917e9..c622b3e582 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Editing/EditingCommandHandler.cs
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Editing/EditingCommandHandler.cs
@@ -143,12 +143,12 @@ namespace ICSharpCode.AvalonEdit.Editing
 						if (defaultSegmentType == DefaultSegmentType.CurrentLine) {
 							segments = new ISegment[] { textArea.Document.GetLineByNumber(textArea.Caret.Line) };
 						} else if (defaultSegmentType == DefaultSegmentType.WholeDocument) {
-							segments = textArea.Document.Lines;
+							segments = textArea.Document.Lines.Cast<ISegment>();
 						} else {
 							segments = null;
 						}
 					} else {
-						segments = textArea.Selection.Segments;
+						segments = textArea.Selection.Segments.Cast<ISegment>();
 					}
 					if (segments != null) {
 						foreach (ISegment segment in segments.Reverse()) {