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AF SDK Reference

AFEventFrame.LessThan Operator

  • Last UpdatedNov 18, 2025
  • 2 minute read
AFEventFrame.LessThan Operator
The less than relation operator (<) compares its operands to determine which one is less than the other.

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

Syntax

public static bool operator <(
	AFEventFrame lhs,
	AFEventFrame rhs
)
Public Shared Operator < ( 
	lhs As AFEventFrame,
	rhs As AFEventFrame
) As Boolean

Dim lhs As AFEventFrame
Dim rhs As AFEventFrame
Dim returnValue As Boolean

returnValue = (lhs < rhs)
public:
static bool operator <(
	AFEventFrame^ lhs, 
	AFEventFrame^ rhs
)
static let inline (<)
        lhs : AFEventFrame * 
        rhs : AFEventFrame  : bool

Parameters

lhs
Type: OSIsoft.AF.EventFrameAFEventFrame
Left hand operator.
rhs
Type: OSIsoft.AF.EventFrameAFEventFrame
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, EndTime, and Name properties to perform the comparison operation.

Version Information

AFSDK


See Also

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