AF SDK Reference

AFTime.Subtraction Operator (AFTime, AFTime)

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AFTime.Subtraction Operator (AFTime, AFTime)

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Last UpdatedNov 18, 2025
2 minute read

Subtracts a specified AFTime from another specified AFTime, yielding a time interval.

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

Syntax

public static TimeSpan operator -(
	AFTime lhs,
	AFTime rhs
)

Public Shared Operator - ( 
	lhs As AFTime,
	rhs As AFTime
) As TimeSpan

Dim lhs As AFTime
Dim rhs As AFTime
Dim returnValue As TimeSpan

returnValue = (lhs - rhs)

public:
static TimeSpan operator -(
	AFTime lhs, 
	AFTime rhs
)

static let inline (-)
        lhs : AFTime * 
        rhs : AFTime  : TimeSpan

Parameters

lhs: Type: OSIsoft.AF.TimeAFTime
A AFTime (the minuend).
rhs: Type: OSIsoft.AF.TimeAFTime
A AFTime (the subtrahend).

Return Value

Type: TimeSpan
A TimeSpan that is the time interval between lhs and rhs; that is, lhs minus rhs.

AF SDK Reference

AFTime.Subtraction Operator (AFTime, AFTime)

Table of Contents

AFTime.Subtraction Operator (AFTime, AFTime)

Syntax

Parameters

Return Value

Version Information

AFSDK

See Also

Reference

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