Run the MTsocketsAPI Expert Advisor
Once the MTsocketAPI.ex4 file has been installed (detailed instructions available here), the API must be started in order to enable communication between Metatrader 4 and any TCP client.
There are two ways of running the MTsocketAPI Expert Advisor:
- Double-click MTsocketAPI from the Experts box
- Drag and drop MTsocketAPI to any chart
Either of these two methods will launch a screen similar to the following:

Now, click on the Common tab and check "Allow DLL imports":

Note
MTsocketAPI needs ws2_32.dll windows library to manage sockets.
And finally, click OK to start MTsocketAPI.
Warning
If you see a "sad" face like this:

You must click the "Auto Trading" button to enable it:

Now you must see the happy face:

Note
To make sure that MTsocketAPI started successfully, you can check the Metatrader 4 Experts tab:
