From 5c8ef7bef1ff83a51e256fb98fccb9b28af7367b Mon Sep 17 00:00:00 2001
From: codeimp <codeimp@e0d998f2-2e9b-42fe-843d-47128df60a06>
Date: Sat, 24 Jan 2009 18:44:39 +0000
Subject: [PATCH] no raising and lower of things in visual mode when using Doom
 map format

---
 Source/BuilderModes/VisualModes/BaseVisualThing.cs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Source/BuilderModes/VisualModes/BaseVisualThing.cs b/Source/BuilderModes/VisualModes/BaseVisualThing.cs
index b1b413ea..63fa91d4 100644
--- a/Source/BuilderModes/VisualModes/BaseVisualThing.cs
+++ b/Source/BuilderModes/VisualModes/BaseVisualThing.cs
@@ -372,12 +372,15 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		// Raise/lower thing
 		public virtual void OnChangeTargetHeight(int amount)
 		{
-			if((General.Map.UndoRedo.NextUndo == null) || (General.Map.UndoRedo.NextUndo.TicketID != undoticket))
-				undoticket = General.Map.UndoRedo.CreateUndo("Change thing height");
+			if(General.Map.FormatInterface.GetType().Name != "DoomMapSetIO")
+			{
+				if((General.Map.UndoRedo.NextUndo == null) || (General.Map.UndoRedo.NextUndo.TicketID != undoticket))
+					undoticket = General.Map.UndoRedo.CreateUndo("Change thing height");
 
-			Thing.Move(Thing.Position + new Vector3D(0.0f, 0.0f, (float)amount));
+				Thing.Move(Thing.Position + new Vector3D(0.0f, 0.0f, (float)amount));
 
-			this.Setup();
+				this.Setup();
+			}
 		}
 		
 		#endregion