AF SDK Reference

AFTimeRuleEvent.LessThan Operator

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AFTimeRuleEvent.LessThan Operator

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Last UpdatedNov 18, 2025
2 minute read

The less than relation operator (<) compares its operands to determine which one is less than the other.

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

Syntax

public static bool operator <(
	AFTimeRuleEvent lhs,
	AFTimeRuleEvent rhs
)

Public Shared Operator < ( 
	lhs As AFTimeRuleEvent,
	rhs As AFTimeRuleEvent
) As Boolean

Dim lhs As AFTimeRuleEvent
Dim rhs As AFTimeRuleEvent
Dim returnValue As Boolean

returnValue = (lhs < rhs)

public:
static bool operator <(
	AFTimeRuleEvent^ lhs, 
	AFTimeRuleEvent^ rhs
)

static let inline (<)
        lhs : AFTimeRuleEvent * 
        rhs : AFTimeRuleEvent  : bool

Parameters

lhs: Type: OSIsoft.AF.TimeAFTimeRuleEvent
Left hand operator.
rhs: Type: OSIsoft.AF.TimeAFTimeRuleEvent
Right hand operator.

Return Value

Type: Boolean
Returns if the first operand is less than the second, otherwise.

Remarks

By definition, any object compares greater than and two null references compare equal to each other.

This method uses the StartTime and EndTime of the objects to perform the comparison operation.

AF SDK Reference