新建 文本文档.txt

VC实现自动关闭计算机

/*	typedef int (CALLBACK *SHUTDOWNDLG) (int); 
	HINSTANCE hInst = LoadLibrary("shell32"); 
	SHUTDOWNDLG SHShutDownDialog; 
    
	if(hInst != 0) 
	{ 
		SHShutDownDialog = (SHUTDOWNDLG)GetProcAddress(hInst, (LPSTR)60); 
		if(NULL == SHShutDownDialog)
			return;
		(*SHShutDownDialog)(0); 
	}*/



	HANDLE hToken; 
TOKEN_PRIVILEGES tkp; 

// Get a token for this process. 

if (!OpenProcessToken(GetCurrentProcess(), 
        TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) 
    AfxMessageBox("OpenProcessToken"); 

// Get the LUID for the shutdown privilege. 

LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, 
        &tkp.Privileges[0].Luid); 

tkp.PrivilegeCount = 1;  // one privilege to set    
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 

// Get the 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) 
    AfxMessageBox("AdjustTokenPrivileges"); 

// Shut down the system and force all applications to close. 

if (!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE, 0)) 
    AfxMessageBox("ExitWindowsEx");