From 945f423cde443c4d2d529dd20823d268a21058f4 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 9 May 2016 22:00:31 +0200
Subject: [PATCH] Don't let the user undo the initial text added to a Scintilla
 editor

---
 renderdocui/Windows/ShaderViewer.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/renderdocui/Windows/ShaderViewer.cs b/renderdocui/Windows/ShaderViewer.cs
index 254473f71..ae3faf8fe 100644
--- a/renderdocui/Windows/ShaderViewer.cs
+++ b/renderdocui/Windows/ShaderViewer.cs
@@ -791,6 +791,9 @@ namespace renderdocui.Windows
             const uint SCI_SETSCROLLWIDTHTRACKING = 2516;
             scintilla1.NativeInterface.SendMessageDirect(SCI_SETSCROLLWIDTHTRACKING, true);
 
+            // don't let the user undo the initial text insertion
+            scintilla1.UndoRedo.EmptyUndoBuffer();
+
             return scintilla1;
         }