From bfc8890eee709f4a97d2e697290cc0ea186b0215 Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Tue, 20 Nov 2007 23:15:49 +0000
Subject: [PATCH] Optimize GetDesktopWindow() to read the information from the
 shared heap

svn path=/trunk/; revision=30609
---
 reactos/dll/win32/user32/windows/window.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/reactos/dll/win32/user32/windows/window.c b/reactos/dll/win32/user32/windows/window.c
index bab712cbb91..5bd206eb531 100644
--- a/reactos/dll/win32/user32/windows/window.c
+++ b/reactos/dll/win32/user32/windows/window.c
@@ -529,7 +529,22 @@ EndDeferWindowPos(HDWP hWinPosInfo)
 HWND STDCALL
 GetDesktopWindow(VOID)
 {
-	return NtUserGetDesktopWindow();
+    PWINDOW Wnd;
+    HWND Ret = NULL;
+
+    _SEH_TRY
+    {
+        Wnd = GetThreadDesktopWnd();
+        if (Wnd != NULL)
+            Ret = UserHMGetHandle(Wnd);
+    }
+    _SEH_HANDLE
+    {
+        /* Do nothing */
+    }
+    _SEH_END;
+
+    return Ret;
 }
 
 
@@ -1096,7 +1111,7 @@ GetWindowModuleFileNameW(HWND hwnd,
  */
 BOOL STDCALL
 GetWindowPlacement(HWND hWnd,
-		   WINDOWPLACEMENT *lpwndpl)
+                   WINDOWPLACEMENT *lpwndpl)
 {
   return (BOOL)NtUserGetWindowPlacement(hWnd, lpwndpl);
 }