C / C++ / MFC

Royce Fickling wrote:

I have a Windows service in which I need to detect the Windows shutdown event

Royce Fickling wrote:

Can that be done?

DavidCrow wrote:

I usually open a dozen or so browser windows with various CP threads.

Mark Salsbery wrote:

Is it urgent?

Mark Salsbery wrote:

Fishing season is OPEN!

BOOL AbortShutdown(LPTSTR lpMachineName)
{
	HANDLE hToken;              // handle to process token 
	TOKEN_PRIVILEGES tkp;       // pointer to token structure 
	 
	BOOL fResult;               // system shutdown flag 

 // Get the current process token handle  so we can get shutdown 
    // privilege. 
	if (!OpenProcessToken(GetCurrentProcess(), 
            TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) 
    {
        TRACE("OpenProcessToken failed.\n"); 
		return false;
    }
 
    // Get the LUID for shutdown privilege. 
     LookupPrivilegeValue(lpMachineName, SE_SHUTDOWN_NAME, 
            &tkp.Privileges[0].Luid); 
 
    tkp.PrivilegeCount = 1;  // one privilege to set    
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 
 
    // Get shutdown privilege for this process. 
    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, 
        (PTOKEN_PRIVILEGES)NULL, 0); 
 
    // Cannot test the return value of AdjustTokenPrivileges. 
     if (GetLastError() != ERROR_SUCCESS) 
    {
        TRACE("AdjustTokenPrivileges(setting) enable failed.\n"); 
		return false;
    }
 
    // Prevent the system from shutting down. 
    fResult = AbortSystemShutdown(lpMachineName); 
 
    if (!fResult) 
    { 
        TRACE("AbortSystemShutdown failed.\n"); 
		return false;
    }
	else
		m_bIsShuttingDown = false; // Reset shut down flag
 
    // Disable shutdown privilege. 
    tkp.Privileges[0].Attributes = 0; 
    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, 
        (PTOKEN_PRIVILEGES) NULL, 0); 
 
    if (GetLastError() != ERROR_SUCCESS) 
    {
        TRACE("AdjustTokenPrivileges(re-setting) disable failed.\n"); 
		return false;
    }
	return true;
}

Mark Salsbery wrote:

Service Control Handler Function[^]

Rajesh R Subramanian wrote:

Mark Salsbery wrote:
Service Control Handler Function[^]

Sounds more like a candidate for the Buzzword hall of shame forum.

codinelogic wrote:

i've read the post/topics about it but i just cant seem to get it to work.

<br />
#define WIN32_LEAN_AND_MEAN<br />
<br />
#define STRICT<br />
<br />
#include <windows.h><br />
<br />
HHOOK hKeyboardHook;<br />
HINSTANCE hInst;

LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) <br />
{<br />
    PKBDLLHOOKSTRUCT k;<br />
<br />
    if (nCode == HC_ACTION) <br />
    {<br />
        k = (PKBDLLHOOKSTRUCT) lParam;<br />
<br />
        if (

return 1;<br />
   }<br />
                    <br />
   return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);<br />
}

hKeyboardHook  = SetWindowsHookEx(WH_KEYBOARD_LL,<br />
                                  LowLevelKeyboardProc,<br />
                                  hInst,<br />
                                  0);

UnhookWindowsHookEx(hKeyboardHook);<br />
hKeyboardHook = NULL;<br />