检查当前用户是否具有管理员权限

//最后修改日期 2009-10-26

#include <lm.h>
#pragma comment (lib,"Netapi32.lib")
bool Is_Admin_Privilege()
{
bool privilege = true;

OSVERSIONINFO OSV = {sizeof(OSVERSIONINFO),0};

if(GetVersionEx(&OSV))
{
if(OSV.dwPlatformId == VER_PLATFORM_WIN32_NT) //NT 2000 XP
{
privilege = false;
HMODULE hModule = NULL;
if(hModule = LoadLibrary( _T("netapi32.dll") ))
{
NET_API_STATUS (NET_API_FUNCTION * pNet_Api_Fun) (LPCWSTR,LPCWSTR,DWORD,LPBYTE *)
= (NET_API_STATUS(NET_API_FUNCTION*)(LPCWSTR,LPCWSTR,DWORD,LPBYTE *))GetProcAddress(hModule,"NetUserGetInfo");

if(pNet_Api_Fun)
{
WCHAR WuserName[UNLEN + 1] = {0};
DWORD nSize = UNLEN;
if(GetUserNameW(WuserName,&nSize))
{
LPUSER_INFO_1 pUserInfo = NULL;
NET_API_STATUS nStatus = pNet_Api_Fun(NULL,WuserName,1,(LPBYTE*)&pUserInfo);

if(nStatus == NERR_Success)
{
if(USER_PRIV_ADMIN == (pUserInfo->usri1_priv & USER_PRIV_MASK))
{
privilege = true;
}//
}

if(pUserInfo != NULL)
{
NET_API_STATUS (NET_API_FUNCTION *pApi_Fun1) (LPVOID) = ((NET_API_STATUS (NET_API_FUNCTION *)(LPVOID) ) GetProcAddress(hModule,"NetApiBufferFree"));
if(pApi_Fun1)
{
pApi_Fun1(pUserInfo);
}
}
}
else
{
DWORD err = GetLastError();
}
}
else
{
DWORD err = GetLastError();
}

FreeLibrary(hModule);
}
else
{
DWORD err = GetLastError();
}

if(!privilege)
{
AfxMessageBox(_T("请以管理员方式运行本软件"),MB_OK | MB_ICONSTOP);
}
}
}

return(privilege);
}