C++关机程序

源代码：

#include<stdio.h>
#include<windows.h>
int main() 
{
	HANDLE hToken;
	TOKEN_PRIVILEGES tkp;
// 取得系统版本
	OSVERSIONINFO osvi;
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	if (GetVersionEx(&osvi) == 0)
		return 0;
	if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) {
		// Windows NT 3.51, Windows NT 4.0, Windows 2000,
		// Windows XP,  Windows .NET Server
		if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
			//打开当前进程访问代号
			return 0;
		LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid);//获取本地唯一标识用于在特定系统中设置权限
		tkp.PrivilegeCount = 1;
		tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
		AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, NULL, NULL);
		//提升访问令牌权限
	}
	ExitWindowsEx(EWX_SHUTDOWN, SHTDN_REASON_MAJOR_OTHER);
}