[转]VC++ 通过进程名或进程ID获取进程句柄

VC++ 通过进程名或进程ID获取进程句柄  

http://wenhaidongke.blog.163.com/blog/static/1280700902009101992259465/


HANDLE GetProcessHandle(int nID)
{
    return OpenProcess(PROCESS_ALL_ACCESS, FALSE, nID);
}

HANDLE GetProcessHandle(LPCTSTR pName)
{


    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    if (INVALID_HANDLE_VALUE == hSnapshot)
     {
        return NULL;
    }
    PROCESSENTRY32 pe = { sizeof(pe) };
    BOOL fOk;
    for (fOk = Process32First(hSnapshot, &pe); fOk; fOk = Process32Next(hSnapshot, &pe))
    {
        if (!_tcscmp(pe.szExeFile, pName))
         {
            CloseHandle(hSnapshot);
            return GetProcessHandle(pe.th32ProcessID);
        }
    }

          return NULL;
}