获取指定进程名的窗口句柄

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#inclucde <Psapi.h>

#param comment(lib,"Psapi.lib")

DWORD CGetWindowDlg::FindProcess(char *strProcessName)
{
    DWORD aProcesses[1024], cbNeeded, cbMNeeded;
    HMODULE hMods[1024];
    HANDLE hProcess;
    char szProcessName[MAX_PATH];
 
    if ( !EnumProcesses( aProcesses, sizeof(aProcesses), &cbNeeded ) )  return 0;
    for(int i=0; i< (int) (cbNeeded / sizeof(DWORD)); i++)
    {
        hProcess = OpenProcess(  PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, aProcesses[i]);
        EnumProcessModules(hProcess, hMods, sizeof(hMods), &cbMNeeded);
        GetModuleFileNameEx( hProcess, hMods[0], szProcessName,sizeof(szProcessName));
  
  CString szName=szProcessName; 
  CString strName=strProcessName;
  szName=szName.Right(strName.GetLength()+1);
  szName.MakeLower();
  strName.MakeLower();
        if(szName=="\\"+strName)
        {
            return(aProcesses[i]);//0x0109ed98
  }  
    }
    return 0;
}

HWND CGetWindowDlg::GetWindowHandleByPID(DWORD dwProcessID)//通过进程ID获取顶层窗口句柄
{
    HWND h = ::GetTopWindow(0);
    while (h)
    {
        DWORD pid = 0;
        DWORD dwTheardId = GetWindowThreadProcessId( h,&pid);
        if (dwTheardId != 0)
        {
            if ( pid == dwProcessID/*your process id*/ )
            {
                // here h is the handle to the window
    while (::GetParent(h)!=NULL)
     h=::GetParent(h);
                return h;
            }
        }
  h = ::GetNextWindow(h, GW_HWNDNEXT);
    }
    return NULL;
}

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