reactos/dll/win32/shell32/dialogs.c
Amine Khaldi c424146e2c Create a branch for cmake bringup.
svn path=/branches/cmake-bringup/; revision=48236
2010-07-24 18:52:44 +00:00

658 lines
22 KiB
C

/*
* common shell dialogs
*
* Copyright 2000 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <precomp.h>
typedef struct
{
HWND hwndOwner ;
HICON hIcon ;
LPCSTR lpstrDirectory ;
LPCSTR lpstrTitle ;
LPCSTR lpstrDescription ;
UINT uFlags ;
} RUNFILEDLGPARAMS ;
typedef BOOL (*LPFNOFN) (OPENFILENAMEA *) ;
WINE_DEFAULT_DEBUG_CHANNEL(shell);
static INT_PTR CALLBACK RunDlgProc (HWND, UINT, WPARAM, LPARAM) ;
static void FillList (HWND, char *) ;
/*************************************************************************
* PickIconDlg [SHELL32.62]
*
*/
typedef struct
{
HMODULE hLibrary;
HWND hDlgCtrl;
WCHAR szName[MAX_PATH];
INT Index;
}PICK_ICON_CONTEXT, *PPICK_ICON_CONTEXT;
BOOL CALLBACK EnumPickIconResourceProc(HMODULE hModule,
LPCWSTR lpszType,
LPWSTR lpszName,
LONG_PTR lParam
)
{
WCHAR szName[100];
int index;
HICON hIcon;
PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)lParam;
if (IS_INTRESOURCE(lpszName))
swprintf(szName, L"%u\n", lpszName);
else
wcscpy(szName, (WCHAR*)lpszName);
hIcon = LoadIconW(pIconContext->hLibrary, (LPCWSTR)lpszName);
if (hIcon == NULL)
return TRUE;
index = SendMessageW(pIconContext->hDlgCtrl, LB_ADDSTRING, 0, (LPARAM)szName);
if (index != LB_ERR)
SendMessageW(pIconContext->hDlgCtrl, LB_SETITEMDATA, index, (LPARAM)hIcon);
return TRUE;
}
void
DestroyIconList(HWND hDlgCtrl)
{
int count;
int index;
count = SendMessage(hDlgCtrl, LB_GETCOUNT, 0, 0);
if (count == LB_ERR)
return;
for(index = 0; index < count; index++)
{
HICON hIcon = (HICON)SendMessageW(hDlgCtrl, LB_GETITEMDATA, index, 0);
DestroyIcon(hIcon);
}
}
INT_PTR CALLBACK PickIconProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
LPMEASUREITEMSTRUCT lpmis;
LPDRAWITEMSTRUCT lpdis;
HICON hIcon;
INT index;
WCHAR szText[MAX_PATH], szTitle[100], szFilter[100];
OPENFILENAMEW ofn = {0};
PPICK_ICON_CONTEXT pIconContext = (PPICK_ICON_CONTEXT)GetWindowLongPtr(hwndDlg, DWLP_USER);
switch(uMsg)
{
case WM_INITDIALOG:
pIconContext = (PPICK_ICON_CONTEXT)lParam;
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG)pIconContext);
pIconContext->hDlgCtrl = GetDlgItem(hwndDlg, IDC_PICKICON_LIST);
EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext);
if (PathUnExpandEnvStringsW(pIconContext->szName, szText, MAX_PATH))
SendDlgItemMessageW(hwndDlg, IDC_EDIT_PATH, WM_SETTEXT, 0, (LPARAM)szText);
else
SendDlgItemMessageW(hwndDlg, IDC_EDIT_PATH, WM_SETTEXT, 0, (LPARAM)pIconContext->szName);
swprintf(szText, L"%u", pIconContext->Index);
index = SendMessageW(pIconContext->hDlgCtrl, LB_FINDSTRING, -1, (LPARAM)szText);
if (index != LB_ERR)
SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, index, 0);
return TRUE;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDOK:
index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
SendMessageW(pIconContext->hDlgCtrl, LB_GETTEXT, index, (LPARAM)szText);
pIconContext->Index = _wtoi(szText);
SendDlgItemMessageW(hwndDlg, IDC_EDIT_PATH, WM_GETTEXT, MAX_PATH, (LPARAM)pIconContext->szName);
DestroyIconList(pIconContext->hDlgCtrl);
EndDialog(hwndDlg, 1);
break;
case IDCANCEL:
DestroyIconList(pIconContext->hDlgCtrl);
EndDialog(hwndDlg, 0);
break;
case IDC_PICKICON_LIST:
if (HIWORD(wParam) == LBN_SELCHANGE)
InvalidateRect((HWND)lParam, NULL, TRUE); // FIXME USE UPDATE RECT
break;
case IDC_BUTTON_PATH:
szText[0] = 0;
szTitle[0] = 0;
szFilter[0] = 0;
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwndDlg;
ofn.lpstrFile = szText;
ofn.nMaxFile = MAX_PATH;
LoadStringW(shell32_hInstance, IDS_PICK_ICON_TITLE, szTitle, sizeof(szTitle) / sizeof(WCHAR));
ofn.lpstrTitle = szTitle;
LoadStringW(shell32_hInstance, IDS_PICK_ICON_FILTER, szFilter, sizeof(szFilter) / sizeof(WCHAR));
ofn.lpstrFilter = szFilter;
if (GetOpenFileNameW(&ofn))
{
HMODULE hLibrary;
if (!wcsicmp(pIconContext->szName, szText))
break;
DestroyIconList(pIconContext->hDlgCtrl);
hLibrary = LoadLibraryExW(szText, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
if (hLibrary == NULL)
break;
FreeLibrary(pIconContext->hLibrary);
pIconContext->hLibrary = hLibrary;
wcscpy(pIconContext->szName, szText);
EnumResourceNamesW(pIconContext->hLibrary, RT_ICON, EnumPickIconResourceProc, (LPARAM)pIconContext);
if (PathUnExpandEnvStringsW(pIconContext->szName, szText, MAX_PATH))
SendDlgItemMessageW(hwndDlg, IDC_EDIT_PATH, WM_SETTEXT, 0, (LPARAM)szText);
else
SendDlgItemMessageW(hwndDlg, IDC_EDIT_PATH, WM_SETTEXT, 0, (LPARAM)pIconContext->szName);
SendMessageW(pIconContext->hDlgCtrl, LB_SETCURSEL, 0, 0);
}
break;
}
break;
case WM_MEASUREITEM:
lpmis = (LPMEASUREITEMSTRUCT) lParam;
lpmis->itemHeight = 32;
lpmis->itemWidth = 64;
return TRUE;
case WM_DRAWITEM:
lpdis = (LPDRAWITEMSTRUCT) lParam;
if (lpdis->itemID == -1)
{
break;
}
switch (lpdis->itemAction)
{
case ODA_SELECT:
case ODA_DRAWENTIRE:
index = SendMessageW(pIconContext->hDlgCtrl, LB_GETCURSEL, 0, 0);
hIcon =(HICON)SendMessage(lpdis->hwndItem, LB_GETITEMDATA, lpdis->itemID, (LPARAM) 0);
if (lpdis->itemID == index)
{
HBRUSH hBrush;
hBrush = CreateSolidBrush(RGB(0, 0, 255));
FillRect(lpdis->hDC, &lpdis->rcItem, hBrush);
DeleteObject(hBrush);
}
else
{
HBRUSH hBrush;
hBrush = CreateSolidBrush(RGB(255, 255, 255));
FillRect(lpdis->hDC, &lpdis->rcItem, hBrush);
DeleteObject(hBrush);
}
DrawIconEx(lpdis->hDC, lpdis->rcItem.left,lpdis->rcItem.top, hIcon,
0,
0,
0,
NULL,
DI_NORMAL);
break;
}
break;
}
return FALSE;
}
BOOL WINAPI PickIconDlg(
HWND hwndOwner,
LPWSTR lpstrFile,
UINT nMaxFile,
INT* lpdwIconIndex)
{
HMODULE hLibrary;
int res;
PICK_ICON_CONTEXT IconContext;
hLibrary = LoadLibraryExW(lpstrFile, NULL, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
IconContext.hLibrary = hLibrary;
IconContext.Index = *lpdwIconIndex;
wcscpy(IconContext.szName, lpstrFile);
res = DialogBoxParamW(shell32_hInstance, MAKEINTRESOURCEW(IDD_PICK_ICON_DIALOG), hwndOwner, PickIconProc, (LPARAM)&IconContext);
if (res)
{
wcscpy(lpstrFile, IconContext.szName);
*lpdwIconIndex = IconContext.Index;
}
FreeLibrary(hLibrary);
return res;
}
/*************************************************************************
* RunFileDlg [SHELL32.61]
*
* NOTES
* Original name: RunFileDlg (exported by ordinal)
*/
void WINAPI RunFileDlg(
HWND hwndOwner,
HICON hIcon,
LPCSTR lpstrDirectory,
LPCSTR lpstrTitle,
LPCSTR lpstrDescription,
UINT uFlags)
{
RUNFILEDLGPARAMS rfdp;
HRSRC hRes;
LPVOID template;
TRACE("\n");
rfdp.hwndOwner = hwndOwner;
rfdp.hIcon = hIcon;
rfdp.lpstrDirectory = lpstrDirectory;
rfdp.lpstrTitle = lpstrTitle;
rfdp.lpstrDescription = lpstrDescription;
rfdp.uFlags = uFlags;
if(!(hRes = FindResourceA(shell32_hInstance, "SHELL_RUN_DLG", (LPSTR)RT_DIALOG)))
{
MessageBoxA (hwndOwner, "Couldn't find dialog.", "Nix", MB_OK) ;
return;
}
if(!(template = (LPVOID)LoadResource(shell32_hInstance, hRes)))
{
MessageBoxA (hwndOwner, "Couldn't load dialog.", "Nix", MB_OK) ;
return;
}
DialogBoxIndirectParamA((HINSTANCE)GetWindowLongPtrW( hwndOwner,
GWLP_HINSTANCE ),
template, hwndOwner, RunDlgProc, (LPARAM)&rfdp);
}
/* Dialog procedure for RunFileDlg */
static INT_PTR CALLBACK RunDlgProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int ic ;
char *psz, *pdir, szMsg[256];
static RUNFILEDLGPARAMS *prfdp = NULL ;
switch (message)
{
case WM_INITDIALOG :
prfdp = (RUNFILEDLGPARAMS *)lParam ;
if (prfdp->lpstrTitle)
SetWindowTextA (hwnd, prfdp->lpstrTitle) ;
SetClassLongPtrW (hwnd, GCLP_HICON, (LPARAM)prfdp->hIcon) ;
SendMessageW (GetDlgItem (hwnd, 12297), STM_SETICON,
(WPARAM)LoadIconW (NULL, (LPCWSTR)IDI_WINLOGO), 0);
FillList (GetDlgItem (hwnd, 12298), NULL) ;
SetFocus (GetDlgItem (hwnd, 12298)) ;
return TRUE ;
case WM_COMMAND :
switch (LOWORD (wParam))
{
case IDOK :
{
HWND htxt = NULL ;
if ((ic = GetWindowTextLengthA (htxt = GetDlgItem (hwnd, 12298))))
{
psz = HeapAlloc( GetProcessHeap(), 0, (ic + 2) );
GetWindowTextA (htxt, psz, ic + 1) ;
pdir = HeapAlloc( GetProcessHeap(), 0, (ic + 2) );
if (pdir)
{
char * ptr;
strcpy(pdir, psz);
ptr = strrchr(pdir + 4, '\\');
if(ptr)
ptr[0] = '\0';
else
pdir[3] = '\0';
}
if (ShellExecuteA(NULL, NULL, psz, NULL, pdir, SW_SHOWNORMAL) < (HINSTANCE)33)
{
char *pszSysMsg = NULL ;
FormatMessageA (
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError (),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&pszSysMsg, 0, NULL
) ;
sprintf (szMsg, "Error: %s", pszSysMsg) ;
LocalFree ((HLOCAL)pszSysMsg) ;
MessageBoxA (hwnd, szMsg, NULL, MB_OK | MB_ICONEXCLAMATION) ;
HeapFree(GetProcessHeap(), 0, psz);
HeapFree(GetProcessHeap(), 0, pdir);
SendMessageA (htxt, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
return TRUE ;
}
FillList (htxt, psz) ;
HeapFree(GetProcessHeap(), 0, psz);
HeapFree(GetProcessHeap(), 0, pdir);
EndDialog (hwnd, 0) ;
}
}
case IDCANCEL :
EndDialog (hwnd, 0) ;
return TRUE ;
case 12288 :
{
HMODULE hComdlg = NULL ;
LPFNOFN ofnProc = NULL ;
static char szFName[1024] = "", szFileTitle[256] = "", szInitDir[768] = "" ;
static OPENFILENAMEA ofn =
{
sizeof (OPENFILENAMEA),
NULL,
NULL,
"Executable Files\0*.exe\0All Files\0*.*\0\0\0\0",
NULL,
0,
0,
szFName,
1023,
szFileTitle,
255,
(LPCSTR)szInitDir,
"Browse",
OFN_ENABLESIZING | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST,
0,
0,
NULL,
0,
(LPOFNHOOKPROC)NULL,
NULL
} ;
ofn.hwndOwner = hwnd ;
if (NULL == (hComdlg = LoadLibraryExA ("comdlg32", NULL, 0)))
{
MessageBoxA (hwnd, "Unable to display dialog box (LoadLibraryEx) !", "Nix", MB_OK | MB_ICONEXCLAMATION) ;
return TRUE ;
}
if ((LPFNOFN)NULL == (ofnProc = (LPFNOFN)GetProcAddress (hComdlg, "GetOpenFileNameA")))
{
MessageBoxA (hwnd, "Unable to display dialog box (GetProcAddress) !", "Nix", MB_OK | MB_ICONEXCLAMATION) ;
return TRUE ;
}
ofnProc (&ofn) ;
SetFocus (GetDlgItem (hwnd, IDOK)) ;
SetWindowTextA (GetDlgItem (hwnd, 12298), szFName) ;
SendMessageA (GetDlgItem (hwnd, 12298), CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
SetFocus (GetDlgItem (hwnd, IDOK)) ;
FreeLibrary (hComdlg) ;
return TRUE ;
}
}
return TRUE ;
}
return FALSE ;
}
/* This grabs the MRU list from the registry and fills the combo for the "Run" dialog above */
static void FillList (HWND hCb, char *pszLatest)
{
HKEY hkey ;
/* char szDbgMsg[256] = "" ; */
char *pszList = NULL, *pszCmd = NULL, cMatch = 0, cMax = 0x60, szIndex[2] = "-" ;
DWORD icList = 0, icCmd = 0 ;
UINT Nix ;
SendMessageA (hCb, CB_RESETCONTENT, 0, 0) ;
if (ERROR_SUCCESS != RegCreateKeyExA (
HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RunMRU",
0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL))
MessageBoxA (hCb, "Unable to open registry key !", "Nix", MB_OK) ;
RegQueryValueExA (hkey, "MRUList", NULL, NULL, NULL, &icList) ;
if (icList > 0)
{
pszList = HeapAlloc( GetProcessHeap(), 0, icList) ;
if (ERROR_SUCCESS != RegQueryValueExA (hkey, "MRUList", NULL, NULL, (LPBYTE)pszList, &icList))
MessageBoxA (hCb, "Unable to grab MRUList !", "Nix", MB_OK) ;
}
else
{
icList = 1 ;
pszList = HeapAlloc( GetProcessHeap(), 0, icList) ;
pszList[0] = 0 ;
}
for (Nix = 0 ; Nix < icList - 1 ; Nix++)
{
if (pszList[Nix] > cMax)
cMax = pszList[Nix] ;
szIndex[0] = pszList[Nix] ;
if (ERROR_SUCCESS != RegQueryValueExA (hkey, szIndex, NULL, NULL, NULL, &icCmd))
MessageBoxA (hCb, "Unable to grab size of index", "Nix", MB_OK) ;
if( pszCmd )
pszCmd = HeapReAlloc(GetProcessHeap(), 0, pszCmd, icCmd) ;
else
pszCmd = HeapAlloc(GetProcessHeap(), 0, icCmd) ;
if (ERROR_SUCCESS != RegQueryValueExA (hkey, szIndex, NULL, NULL, (LPBYTE)pszCmd, &icCmd))
MessageBoxA (hCb, "Unable to grab index", "Nix", MB_OK) ;
if (NULL != pszLatest)
{
if (!lstrcmpiA(pszCmd, pszLatest))
{
/*
sprintf (szDbgMsg, "Found existing (%d).\n", Nix) ;
MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
*/
SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszCmd) ;
SetWindowTextA (hCb, pszCmd) ;
SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
cMatch = pszList[Nix] ;
memmove (&pszList[1], pszList, Nix) ;
pszList[0] = cMatch ;
continue ;
}
}
if (26 != icList - 1 || icList - 2 != Nix || cMatch || NULL == pszLatest)
{
/*
sprintf (szDbgMsg, "Happily appending (%d).\n", Nix) ;
MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
*/
SendMessageA (hCb, CB_ADDSTRING, 0, (LPARAM)pszCmd) ;
if (!Nix)
{
SetWindowTextA (hCb, pszCmd) ;
SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
}
}
else
{
/*
sprintf (szDbgMsg, "Doing loop thing.\n") ;
MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
*/
SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszLatest) ;
SetWindowTextA (hCb, pszLatest) ;
SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
cMatch = pszList[Nix] ;
memmove (&pszList[1], pszList, Nix) ;
pszList[0] = cMatch ;
szIndex[0] = cMatch ;
RegSetValueExA (hkey, szIndex, 0, REG_SZ, (LPBYTE)pszLatest, strlen (pszLatest) + 1) ;
}
}
if (!cMatch && NULL != pszLatest)
{
/*
sprintf (szDbgMsg, "Simply inserting (increasing list).\n") ;
MessageBoxA (hCb, szDbgMsg, "Nix", MB_OK) ;
*/
SendMessageA (hCb, CB_INSERTSTRING, 0, (LPARAM)pszLatest) ;
SetWindowTextA (hCb, pszLatest) ;
SendMessageA (hCb, CB_SETEDITSEL, 0, MAKELPARAM (0, -1)) ;
cMatch = ++cMax ;
if( pszList )
pszList = HeapReAlloc(GetProcessHeap(), 0, pszList, ++icList) ;
else
pszList = HeapAlloc(GetProcessHeap(), 0, ++icList) ;
memmove (&pszList[1], pszList, icList - 1) ;
pszList[0] = cMatch ;
szIndex[0] = cMatch ;
RegSetValueExA (hkey, szIndex, 0, REG_SZ, (LPBYTE)pszLatest, strlen (pszLatest) + 1) ;
}
RegSetValueExA (hkey, "MRUList", 0, REG_SZ, (LPBYTE)pszList, strlen (pszList) + 1) ;
HeapFree( GetProcessHeap(), 0, pszCmd) ;
HeapFree( GetProcessHeap(), 0, pszList) ;
}
/*************************************************************************
* ConfirmDialog [internal]
*
* Put up a confirm box, return TRUE if the user confirmed
*/
static BOOL ConfirmDialog(HWND hWndOwner, UINT PromptId, UINT TitleId)
{
WCHAR Prompt[256];
WCHAR Title[256];
LoadStringW(shell32_hInstance, PromptId, Prompt, sizeof(Prompt) / sizeof(WCHAR));
LoadStringW(shell32_hInstance, TitleId, Title, sizeof(Title) / sizeof(WCHAR));
return MessageBoxW(hWndOwner, Prompt, Title, MB_YESNO|MB_ICONQUESTION) == IDYES;
}
/*************************************************************************
* RestartDialogEx [SHELL32.730]
*/
int WINAPI RestartDialogEx(HWND hWndOwner, LPCWSTR lpwstrReason, DWORD uFlags, DWORD uReason)
{
TRACE("(%p)\n", hWndOwner);
/* FIXME: use lpwstrReason */
if (ConfirmDialog(hWndOwner, IDS_RESTART_PROMPT, IDS_RESTART_TITLE))
{
HANDLE hToken;
TOKEN_PRIVILEGES npr;
/* enable the shutdown privilege for the current process */
if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
{
LookupPrivilegeValueA(0, "SeShutdownPrivilege", &npr.Privileges[0].Luid);
npr.PrivilegeCount = 1;
npr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken, FALSE, &npr, 0, 0, 0);
CloseHandle(hToken);
}
ExitWindowsEx(EWX_REBOOT, uReason);
}
return 0;
}
/*************************************************************************
* LogoffWindowsDialog [SHELL32.54]
*/
int WINAPI LogoffWindowsDialog(HWND hWndOwner)
{
if (ConfirmDialog(hWndOwner, IDS_LOGOFF_PROMPT, IDS_LOGOFF_TITLE))
{
ExitWindowsEx(EWX_LOGOFF, 0);
}
return 0;
}
/*************************************************************************
* RestartDialog [SHELL32.59]
*/
int WINAPI RestartDialog(HWND hWndOwner, LPCWSTR lpstrReason, DWORD uFlags)
{
return RestartDialogEx(hWndOwner, lpstrReason, uFlags, 0);
}
/*************************************************************************
* ExitWindowsDialog [SHELL32.60]
*
* NOTES
* exported by ordinal
*/
void WINAPI ExitWindowsDialog (HWND hWndOwner)
{
TRACE("(%p)\n", hWndOwner);
if (ConfirmDialog(hWndOwner, IDS_SHUTDOWN_PROMPT, IDS_SHUTDOWN_TITLE))
{
HANDLE hToken;
TOKEN_PRIVILEGES npr;
/* enable shutdown privilege for current process */
if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
{
LookupPrivilegeValueA(0, "SeShutdownPrivilege", &npr.Privileges[0].Luid);
npr.PrivilegeCount = 1;
npr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken, FALSE, &npr, 0, 0, 0);
CloseHandle(hToken);
}
ExitWindowsEx(EWX_SHUTDOWN, 0);
}
}