Where can I download the MT4 Datafeed API document???

I want to study MT4 Datafeed API.

Where can I download the document???

Thanks.

There is no public API
whroeder1:
There is no API

Where can I download the document about DataFeed???

There isn't any. This a a users forum. Those are proprietary to Metaquotes.

You can dld and create the data for the Strategy Tester even though it is unofficial!

Google for EAreview and/or Tickstrory and TickDownloader and follow their docs and programs..