Data from Tradestation

If multicharts can use data from my tradestation account why cant amibroker do the same ? Is there any present solution for this ? I dont want to pay for expensive data services when I have tradestation data available

If you mean Tradestation binary format, then it is proprietary, undocumented. You can always export data to plain text (CSV) format and import them to AmiBroker. You can google for "export data tradestation" to find solutions.

I was think about something more automatic, like this

"If the connection is set up correctly, MultiCharts brings up TradeStation software automatically when data is requested."

Tradestation is a very ceap and good real time datafeed.
Tradestation has free us stockes and futures data with big history data 20 years of minute data