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MQL4 How to change chart zoom level from 1 to 32 one by one ?

MT4 has a total 32 step of chart zoom levels, but we usually can change only 6 zoom levels( 1 > 2 > 4 > 8 > 16 > 32) from chart menu. I tried the script below, but only the above 6 zoom levels are shown. //------------------------------------------------------------------ void OnStart () { for (

6

How to trigger event by for example "Shift + z" key ?

I've been looking for the answer to the captioned question, but been unable to find it so far. CHARTEVENT_KEYDOWN can only pass code of a(one) pressed key by lparam. Thus it can not tell "shift + z" key input from "z" key input. Is there any way to capture a set of two key inputs, like "Ctrl + a"

8

MQL4: "array out of range" error in the strategy tester with my personal Expert Advisor

I am having a difficulty in solving " array out of range " error, which occurs constantly when I perform strategy tester with my EA under development. I tried to figure out the cause and fix it by referring to MQL4 reference and other sources available in cyber network, but so far no progress for