I'm studying a mql4 code and I'm trying to understand that when modifying an open order it's ok to set for price parameter of OrderModify function the value zero.
I've seen a note here, that only for pending orders could be modified...
I'm new in mql programming and trying to develop my first EA based on what I found in mql articles. The scope is learning because I've made backtests but I never got any profit :)
For the code below I get next errors:
'CCI' - enumerator...