[sginsberg] 69159: [WIN32SS] Fix NtUserChangeDisplaySettings, I accidently removed one (unused) param too much (parameter count should be 4 after all), and it seems code relied on this check.

Author: sginsberg
Date: Wed Sep  9 19:38:36 2015
New Revision: 69159

URL: http://svn.reactos.org/svn/reactos?rev=69159&view=rev
Log:
[WIN32SS] Fix NtUserChangeDisplaySettings, I accidently removed one (unused) param too much (parameter count should be 4 after all), and it seems code relied on this check.

Modified:
    trunk/reactos/win32ss/include/ntuser.h
    trunk/reactos/win32ss/user/ntuser/display.c
    trunk/reactos/win32ss/user/user32/misc/display.c
    trunk/reactos/win32ss/w32ksvc.h

Modified: trunk/reactos/win32ss/include/ntuser.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/include/ntuser.h?re...
==============================================================================
--- trunk/reactos/win32ss/include/ntuser.h	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/include/ntuser.h	[iso-8859-1] Wed Sep  9 19:38:36 2015
@@ -1696,6 +1696,7 @@
 NtUserChangeDisplaySettings(
     PUNICODE_STRING lpszDeviceName,
     LPDEVMODEW lpDevMode,
+    HWND hwnd,
     DWORD dwflags);

BOOL

Modified: trunk/reactos/win32ss/user/ntuser/display.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/display...
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/display.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/display.c	[iso-8859-1] Wed Sep  9 19:38:36 2015
@@ -814,6 +814,7 @@
 NtUserChangeDisplaySettings(
     PUNICODE_STRING pustrDevice,
     LPDEVMODEW lpDevMode,
+    HWND hWnd,
     DWORD dwflags)
 {
     WCHAR awcDevice[CCHDEVICENAME];
@@ -822,7 +823,8 @@
     LONG lRet;

/* Check arguments */
-    if (dwflags != CDS_VIDEOPARAMETERS)
+    if ((dwflags != CDS_VIDEOPARAMETERS) ||
+        (hWnd != NULL))
     {
         EngSetLastError(ERROR_INVALID_PARAMETER);
         return DISP_CHANGE_BADPARAM;

Modified: trunk/reactos/win32ss/user/user32/misc/display.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/misc/di...
==============================================================================
--- trunk/reactos/win32ss/user/user32/misc/display.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/misc/display.c	[iso-8859-1] Wed Sep  9 19:38:36 2015
@@ -457,14 +457,14 @@
         pDevModeW = GdiConvertToDevmodeW(lpDevMode);
         if(pDevModeW)
         {
-            rc = NtUserChangeDisplaySettings(pDeviceName, pDevModeW, dwflags);
+            rc = NtUserChangeDisplaySettings(pDeviceName, pDevModeW, hwnd, dwflags);
             RtlFreeHeap(GetProcessHeap(), 0, pDevModeW);
         }
         else
             rc = DISP_CHANGE_SUCCESSFUL;
     }
     else
-        rc = NtUserChangeDisplaySettings(pDeviceName, NULL, dwflags);
+        rc = NtUserChangeDisplaySettings(pDeviceName, NULL, hwnd, dwflags);

if (lpszDeviceName != NULL)
         RtlFreeUnicodeString(&DeviceName);
@@ -509,7 +509,7 @@
     else
         pDeviceName = NULL;

-    rc = NtUserChangeDisplaySettings(pDeviceName, lpDevMode, dwflags);
+    rc = NtUserChangeDisplaySettings(pDeviceName, lpDevMode, hwnd, dwflags);

return rc;
 }

Modified: trunk/reactos/win32ss/w32ksvc.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/w32ksvc.h?rev=69159...
==============================================================================
--- trunk/reactos/win32ss/w32ksvc.h	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/w32ksvc.h	[iso-8859-1] Wed Sep  9 19:38:36 2015
@@ -328,7 +328,7 @@
     SVC_(UserCallOneParam, 2)
     SVC_(UserCallTwoParam, 3)
     SVC_(UserChangeClipboardChain, 2)
-    SVC_(UserChangeDisplaySettings, 3)
+    SVC_(UserChangeDisplaySettings, 4)
     SVC_(UserCheckImeHotKey, 2)
     SVC_(UserCheckMenuItem, 3)
     SVC_(UserChildWindowFromPointEx, 4)