[weiden] 30609: Optimize GetDesktopWindow() to read the information from the shared heap

Author: weiden
Date: Wed Nov 21 02:15:49 2007
New Revision: 30609

URL: http://svn.reactos.org/svn/reactos?rev=30609&view=rev
Log:
Optimize GetDesktopWindow() to read the information from the shared heap

Modified:
    trunk/reactos/dll/win32/user32/windows/window.c

Modified: trunk/reactos/dll/win32/user32/windows/window.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/windows/w…
==============================================================================
--- trunk/reactos/dll/win32/user32/windows/window.c (original)
+++ trunk/reactos/dll/win32/user32/windows/window.c Wed Nov 21 02:15:49 2007
@@ -529,7 +529,22 @@
 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 @@
  */
 BOOL STDCALL
 GetWindowPlacement(HWND hWnd,
-		   WINDOWPLACEMENT *lpwndpl)
+                   WINDOWPLACEMENT *lpwndpl)
 {
   return (BOOL)NtUserGetWindowPlacement(hWnd, lpwndpl);
 }