AF SDK Reference

AFTime.Subtraction Operator (AFTime, TimeSpan)

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AFTime.Subtraction Operator (AFTime, TimeSpan)

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Last UpdatedNov 18, 2025
2 minute read

Subtracts a specified TimeSpan time interval from a specified AFTime, yielding a new AFTime.

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

Syntax

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

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

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

returnValue = (lhs - rhs)

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

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

Parameters

lhs: Type: OSIsoft.AF.TimeAFTime
A AFTime.
rhs: Type: SystemTimeSpan
A TimeSpan interval to be subtracted from the lhs.

Return Value

Type: AFTime
A AFTime whose value is the value of lhs minus the value of rhs.

AF SDK Reference

AFTime.Subtraction Operator (AFTime, TimeSpan)

Table of Contents

AFTime.Subtraction Operator (AFTime, TimeSpan)

Syntax

Parameters

Return Value

Version Information

AFSDK

See Also

Reference

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