How do I write code to compare current value and previous value of stochastic line

[marasha]

I want to say current value minus previous value is equal to or more/less than a certain value. How do I do it

[William Roeder]

marasha:  How do I do it

Exactly as you said. Get the current, get the previous, if( MathAbs( current - previous ) < certain ) doWhatever.

[Vladimir Karputov]

An example of how to create an indicator handle in MQL5 and how to get the value of the 'Stochastic' indicator:

An example of get values from the iStochastic indicator

[marasha]

William Roeder #:

Exactly as you said. Get the current, get the previous, if( MathAbs( current - previous ) < certain ) doWhatever.

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this is my code, how do I make that in red work, what needs to be changed? sorry, am quite lay and trying to learn. Please help

[MAHA]

Why don't you use CopyBuffer function?