Get process handle by its name in Windows

GetProcessName.cc

HANDLE GetProcessByName(const TCHAR* szProcessName)
{
        if(szProcessName == NULL) return NULL;
        CString strProcessName = szProcessName;

        DWORD aProcesses[1024], cbNeeded, cProcesses;
        if ( !EnumProcesses( aProcesses, sizeof(aProcesses), &cbNeeded ) )
                return NULL;

        // Calculate how many process identifiers were returned.
        cProcesses = cbNeeded / sizeof(DWORD);

        // Print the name and process identifier for each process.
        for ( unsigned int i = 0; i < cProcesses; i++ )
        {
                DWORD dwProcessID = aProcesses[i];
                // Get a handle to the process.
                HANDLE hProcess = OpenProcess( PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwProcessID );

                // Get the process name.
                TCHAR szEachProcessName[MAX_PATH];
                if (NULL != hProcess)
                {
                        HMODULE hMod;
                        DWORD cbNeeded;

                        if ( EnumProcessModules( hProcess, &hMod, sizeof(hMod), &cbNeeded))
                        {
                                GetModuleBaseName( hProcess, hMod, szEachProcessName, sizeof(szEachProcessName)/sizeof(TCHAR) );
                        }
                }

                if(strProcessName.CompareNoCase(szEachProcessName) == 0)
                        return hProcess;

                CloseHandle( hProcess );
        }

        return NULL;
}