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PIPointReplaceValues Method (AFTimeRange, IListAFValue)

This method removes existing data within the specified AFTimeRange and inserts the specified values.

Namespace:  OSIsoft.AF.PI
Assembly:  OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version:
public AFErrors<AFValue> ReplaceValues(
	AFTimeRange timeRange,
	IList<AFValue> values


Type: OSIsoft.AF.TimeAFTimeRange
The bounding time range for removal and replacement of data.
Type: System.Collections.GenericIListAFValue
The list of replacement values with an associated PIPoint for each value. If an empty list then existing data within the specified AFTimeRange will be deleted. The time stamp of AFValue in values must be within the specified AFTimeRange.

Return Value

Type: AFErrorsAFValue
If there are no errors, then is returned. Otherwise an AFErrorsTKey instance containing error information is returned.

This method requires PI Data Archive 2016 or later that supports DeleteRange feature. This is indicated by Supports(PIServerFeature) check returning for the case of DeleteRange.

If not specified in AFSDK.config, the AFBufferOption is defaulted to BufferIfPossible. The default buffering option for the current AF SDK client instance can be modified via the static property AFData.BufferOption.

Important note Important
Exception reporting is not handled automatically by the AF SDK. Historically, exception reporting has been handled by the application writing data (i.e. Uniint-based interfaces).

Version Information


Supported in: 2.10.5, 2.10, 2.9.5, 2.9, 2.8.5, 2.8
See Also
Enabling Operational Intelligence