I have found an issue with DrawRegion.
First I load the indicator on the begining of the chart. The region is painted correctly.

Then I move to the end of the chart.

And then I move to the begining of the chart, again.
The region has changed and is painted incorrectly.

Could you help me, please ?
Thanks very much.
(In NT6.5 works right. I attach the code).

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