Download IQFeed's data

A

anh_trader

What software do you guys use to download IQFeed's historical day from its database? (Both intraday and daily data.) It would be great if it's a free software.
 
you can use tradelink to download iqfeed historical intraday and daily bars....

tradelink is free and open source.

Code: 
public class BarRequestor : ResponseTemplate
    {
        MessageTracker _mt = new MessageTracker();
        BarListTracker _blt = new BarListTracker();

        public override void Reset()
        {
            _mt.BLT = _blt;
        }

        public override void GotTick(Tick k)
        {
            // if we don't have bar data, request historical data
            if (_blt[k.symbol].Count == 0)
            {
                D(k.symbol + " no bars found, requesting...");
                sendmessage(MessageTypes.BARREQUEST, BarImpl.BuildBarRequest(k.symbol, BarInterval.Hour));
            }
            D(k.symbol + " bar count: " + _blt[k.symbol].Count);
            // update whatever data we have with ticks
            _blt.newTick(k);

        }

        public override void GotMessage(MessageTypes type, long source, long dest, long msgid, string request, ref string response)
        {
            if (type== MessageTypes.BARRESPONSE)
                D(response);
            _mt.GotMessage(type, source, dest, msgid, request, ref response);
        }

    }

The example above is included in the Responses.dll that ships with tradelink.

http://tradelink.googlecode.com
 
Apologies for being ignorant but is there any sort of a guide on how to do this? I just see the code and I have the responses.dll file in the directory, but otherwise I am unsure on how to proceed. My systems have been a Frankenstein of excel vba and ninjatrader and I am hoping to move in a direction where I can do everything from one platform and with the flexibility I need.
 
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