From 070050fd344460a8aef7461b63367be259b7ea23 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Thu, 9 Oct 2014 22:04:56 +0000
Subject: [PATCH] When doing backup savestates, rename the existing file to the
 backup name, instead of copying the file contents over!  Big performance
 boost to that feature

---
 BizHawk.Client.EmuHawk/MainForm.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index d238de2b05..bd250192b7 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -3311,7 +3311,7 @@ namespace BizHawk.Client.EmuHawk
 					backupFile.Delete();
 				}
 
-				file.CopyTo(backup);
+				File.Move(path, backup);
 			}
 
 			SaveState(path, quickSlotName, false);