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

HANDLE GetProcessHandle(int nID)//通过进程ID获取进程句柄
{
return OpenProcess(PROCESS_ALL_ACCESS, FALSE, nID);
}

HANDLE GetProcessHandle(LPCTSTR pName)//通过进程名获取进程句柄
{
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;
}