根据进程名判断进程是否运行

问题描述：

给定进程名，判断该进程是否正在运行。

参考代码：

#include <TlHelp32.h>BOOL IsProcessRunning(LPCTSTR lpProcessName){    if (NULL == lpProcessName)        return FALSE;    HANDLE hProcess = NULL;        HANDLE hProcessSnap = NULL;    PROCESSENTRY32 Info = {0};    hProcessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPALL,0);    Info.dwSize = sizeof(PROCESSENTRY32);    if(::Process32First(hProcessSnap,&Info))    {        do        {            CString ss = Info.szExeFile;            DWORD dwVersion = GetVersion();            DWORD dwHigh = dwVersion & 0x80000000;            DWORD dwLow  = dwVersion & 0x000000FF;            if((dwHigh == 0x80000000) && (dwLow == 4))            {                int iFind ;                if (( (iFind = ss.Find(lpProcessName)) != -1 )&&( (iFind = ss.Find(lpProcessName)) > 0 ))                {                    if ((iFind + _tcslen(lpProcessName) == ss.GetLength())&&(ss[iFind-1] == _T('\\')))                    {                        CloseHandle(hProcessSnap);                        hProcessSnap = INVALID_HANDLE_VALUE;                        return TRUE;                    }                }            }            else            {                if(!ss.CompareNoCase(lpProcessName))                {                    CloseHandle(hProcessSnap);                    hProcessSnap = INVALID_HANDLE_VALUE;                    return TRUE;                }            }        }while(::Process32Next(hProcessSnap,&Info));        }    if ( hProcessSnap != INVALID_HANDLE_VALUE )    {        ::CloseHandle(hProcessSnap);        hProcessSnap = INVALID_HANDLE_VALUE;    }    return FALSE;}int _tmain(int argc, _TCHAR* argv[]){    BOOL bRet = IsProcessRunning(L"kxescore.exe");    return 0;}