Unique chart identifier?
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I would like to write a script to pass a value to a running EA by setting a global variable.
I would name the global variable using the currency symbol and chart period, to try and make the global unique to a chart. It would then be easy for the EA to look only for it's own global variable.
Of course there is a slight possibility that the user could have two charts open, both with the same currency and same time period.
I was wondering if there is anyway to programmatically retrieve any sort of unique identifier for a given chart, so a script could query this value? This way I could construct the name for the global using the unique chart ID, instead of using currency symbol and chart period.
Is there any such thing as a unique chart ID that MetaTrader language can access?
Thanks very much for any thoughts ...