| 1 | /** @file
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| 2 | *
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| 3 | * delinvalid - remove "InvalidDisplay" key on NT4
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| 4 | *
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| 5 | * Copyright (C) 2006-2010 Oracle Corporation
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| 6 | *
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| 7 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 8 | * available from http://www.virtualbox.org. This file is free software;
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| 9 | * you can redistribute it and/or modify it under the terms of the GNU
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| 10 | * General Public License (GPL) as published by the Free Software
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| 11 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 12 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 13 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 14 | */
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| 15 |
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| 16 | /*
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| 17 | Purpose:
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| 18 |
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| 19 | Delete the "InvalidDisplay" key which causes the display
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| 20 | applet to be started on every boot. For some reason this key
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| 21 | isn't removed after setting the proper resolution and even not when
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| 22 | doing a driver reinstall. Removing it doesn't seem to do any harm.
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| 23 | The key is inserted by windows on first reboot after installing
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| 24 | the VBox video driver using the VirtualBox utility.
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| 25 | It's not inserted when using the Display applet for installation.
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| 26 | There seems to be a subtle problem with the VirtualBox util.
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| 27 | */
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| 28 |
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| 29 | //#define _UNICODE
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| 30 |
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| 31 | #include <windows.h>
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| 32 | #include <setupapi.h>
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| 33 | #include <regstr.h>
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| 34 | #include <DEVGUID.h>
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| 35 | #include <stdio.h>
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| 36 |
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| 37 | #include "tchar.h"
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| 38 | #include "string.h"
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| 39 |
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| 40 | /*******************************************************************************
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| 41 | * Defined Constants And Macros *
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| 42 | *******************************************************************************/
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| 43 |
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| 44 | /////////////////////////////////////////////////////////////////////////////
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| 45 |
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| 46 |
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| 47 | BOOL isNT4 (void)
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| 48 | {
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| 49 | OSVERSIONINFO OSversion;
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| 50 |
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| 51 | OSversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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| 52 | ::GetVersionEx(&OSversion);
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| 53 |
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| 54 | switch (OSversion.dwPlatformId)
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| 55 | {
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| 56 | case VER_PLATFORM_WIN32s:
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| 57 | case VER_PLATFORM_WIN32_WINDOWS:
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| 58 | return FALSE;
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| 59 | case VER_PLATFORM_WIN32_NT:
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| 60 | if (OSversion.dwMajorVersion == 4)
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| 61 | return TRUE;
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| 62 | else return FALSE;
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| 63 | default:
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| 64 | break;
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| 65 | }
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| 66 | return FALSE;
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| 67 | }
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| 68 |
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| 69 | int main (int argc, char **argv)
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| 70 | {
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| 71 | int rc = 0;
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| 72 |
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| 73 | /* This program is only for installing drivers on NT4 */
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| 74 | if (!isNT4())
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| 75 | {
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| 76 | printf("This program only runs on NT4\n");
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| 77 | return -1;
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| 78 | }
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| 79 |
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| 80 | /* Delete the "InvalidDisplay" key which causes the display
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| 81 | applet to be started on every boot. For some reason this key
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| 82 | isn't removed after setting the proper resolution and even not when
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| 83 | doing a driverreinstall. */
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| 84 | RegDeleteKey(HKEY_LOCAL_MACHINE, TEXT("SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\InvalidDisplay"));
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| 85 | RegDeleteKey(HKEY_LOCAL_MACHINE, TEXT("SYSTEM\\CurrentControlSet\\Control\\GraphicsDrivers\\NewDisplay"));
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| 86 |
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| 87 | return rc;
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| 88 | }
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