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AF SDK Reference

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AFVariableMap.ClearAllExceptSpecified Method

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  • Last UpdatedNov 18, 2025
  • 2 minute read
AFVariableMap.ClearAllExceptSpecified Method
Clears all AFVariableMappingDatas defined in this AFVariableMap except for the variable names specified.

Namespace:  OSIsoft.AF.Analysis
Assembly:  OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

public void ClearAllExceptSpecified(
	IEnumerable<string> variablesToKeep
)
Public Sub ClearAllExceptSpecified ( 
	variablesToKeep As IEnumerable(Of String)
)

Dim instance As AFVariableMap
Dim variablesToKeep As IEnumerable(Of String)

instance.ClearAllExceptSpecified(variablesToKeep)
public:
void ClearAllExceptSpecified(
	IEnumerable<String^>^ variablesToKeep
)
member ClearAllExceptSpecified : 
        variablesToKeep : IEnumerable<string> -> unit

Parameters

variablesToKeep
Type: System.Collections.GenericIEnumerableString
The variables whose configuration should be retained.

Remarks

Use this method to clear out unused mappings by passing in a list of active input and output variable names.

Version Information

AFSDK

Supported in: 3.1.1, 3.1.0, 3.0.2, 3.0.1, 3.0.0, 2.10.11, 2.10.5, 2.10.0, 2.10, 2.9.5, 2.9, 2.8.5, 2.8, 2.7.5, 2.7, 2.6

See Also

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