SetIndexLabel

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In MT4 we could set the label of an indicators index of an indicator by the following:

SetIndexLabel(id, string value);

 

How do we do it in MT5? 

 
See function PlotIndexSetString and read article MQL5: Create Your Own Indicator

 
Rosh:
See function PlotIndexSetString and read article MQL5: Create Your Own Indicator

Thank you kindly.
 

Hey Rosh, I studied the information you provided and it was very helpful.  Thank you.  So I got this wild hair that I wanted to get the average of my Bollinger Bandwidth indicator and make a modification.

 Bollinger Bandwidth takes the upper and lower band of iBands subtracts the lower from the upper and puts it on a chart.  Now I am attempting to get an average of that indicator with a second indicator.  The idea is that it should look a little like a stochastic indicator when it is done, with the bandwidth and it's average on the same chart.

 

Now I know I need to make settings for a second plot and buffer, no problem there.  The trick I am trying to figure out is if BBandwidthBuffer is getting populated in the for loop, what would the calculation look like to get the average of it?

I almost want to start a second for loop going through the BBWidth, but I know  that is not wise.  After all we are in a looping process for the indicator itself and we are already in a for loop to populate the bandwidth, but how do I say:

avgbuffer = (bandwidth[i] + bandwidth[i - 1])/i;

Where i is the increment in the loop. 

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