how many i....OnArray () functions on editor?

 

on MT4 editor ,i found only several functions  have i...OnArray functions , does every function have its OnArray functions ?

if not may make it ourself ?

thanks

 

does every function have its OnArray functions ? No.

if not may make it ourself ? Yes 

 

thank all of you

i need other i...OnArray function  ,i have tried to code them ,buy not succusful ,

does someone have ?

 
 
YALEWANG: i need other i...OnArray function  ,i have tried to code them ,buy not succusful ,
No mind readers here. Post your attempt using SRC.
Reason: