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AVEVA™ Historian

RetrievalOptionsStateCalculation

  • Last UpdatedNov 17, 2021
  • 1 minute read

This read-write property determines the aaHistClientTrend control’s default calculation type for Time-in-State data retrieval. This setting applies to all tags in a trend whose retrieval style is set to Style selected at option level.

Syntax

aaHistClientTrend.RetrievalOptionsStateCalculation = aaStateCalculation;

Result = aaHistClientTrend.RetrievalOptionsStateCalculation;

Remarks

For information on possible values, see aaStateCalculation Enumeration. This property is only relevant for Time-in-State retrieval mode. Also, it may be overridden by a retrieval style setting. For more information, see Working with Retrieval Styles.

The default value is 4 (percent).

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