Can someone help.
Is there a code for enabling and disabling the expert advisor button on the trading platform via an expert advisor using MQL4 programming language, and if so, what is this?
Not with standard mql4, maybe with a WinAPI call . . .
Have a read here, you might find something you can use: https://www.mql5.com/en/forum/124688
Or here: https://www.mql5.com/en/forum/110904/page3