[tkreuzer] 40425: IntChangeDisplaySettings: Save refresh frequency in the registry. Now it's possible to change display settings when using the VBox display driver.

Author: tkreuzer
Date: Thu Apr  9 03:15:35 2009
New Revision: 40425

URL: http://svn.reactos.org/svn/reactos?rev=40425&view=rev
Log:
IntChangeDisplaySettings: Save refresh frequency in the registry. Now it's possible to
change display settings when using the VBox display driver.

Modified:
    trunk/reactos/subsystems/win32/win32k/objects/device.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/device.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/device.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/device.c [iso-8859-1] Thu Apr  9
03:15:35 2009
@@ -1369,6 +1369,13 @@
             Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD,
&NewValue, sizeof(NewValue));
         }
 
+        if (NT_SUCCESS(Status) && DevMode->dmFields &
DM_DISPLAYFREQUENCY)
+        {
+            RtlInitUnicodeString(&RegistryKey,
L"DefaultSettings.VRefresh");
+            NewValue = DevMode->dmDisplayFrequency;
+            Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD,
&NewValue, sizeof(NewValue));
+        }
+
         ZwClose(DevInstRegKey);
         if (NT_SUCCESS(Status))
             Ret = DISP_CHANGE_RESTART;