iADX - MQL4 Documentation

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double iADX(

string symbol, int timeframe, int period, int applied_price, int mode, int shift)

Calculates the Movement directional index and returns its value.

Parameters:

symbol	-	Symbol the data of which should be used to calculate indicator. NULL means the current symbol.
timeframe	-	Timeframe. It can be any of Timeframe enumeration values. 0 means the current chart timeframe.
period	-	Averaging period for calculation.
applied_price	-	Applied price. It can be any of Applied price enumeration values.
mode	-	Indicator line index. It can be any of the Indicators line identifiers enumeration value.
shift	-	Index of the value taken from the indicator buffer (shift relative to the current bar the given amount of periods ago).

Sample:

if(iADX(NULL,0,14,PRICE_HIGH,MODE_MAIN,0)>iADX(NULL,0,14,PRICE_HIGH,MODE_PLUSDI,0)) return(0);