From 208e258f4ce57ade70145db297a9b62fba6964b3 Mon Sep 17 00:00:00 2001
From: bjarni <bjarni@openttd.org>
Date: Sat, 7 Oct 2006 14:30:13 +0000
Subject: (svn r6680) -Codechange r6679: [train build window] only generate the
 list when the window data is invalidated or the window is generated, not on
 each redraw

---
 functions.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'functions.h')

diff --git a/functions.h b/functions.h
index 352f7b962..f79e20cd8 100644
--- a/functions.h
+++ b/functions.h
@@ -168,6 +168,7 @@ void MarkTileDirtyByTile(TileIndex tile);
 void InvalidateWindow(WindowClass cls, WindowNumber number);
 void InvalidateWindowWidget(WindowClass cls, WindowNumber number, byte widget_index);
 void InvalidateWindowClasses(WindowClass cls);
+void InvalidateWindowClassesData(WindowClass cls);
 void DeleteWindowById(WindowClass cls, WindowNumber number);
 void DeleteWindowByClass(WindowClass cls);
 
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