AF SDK Reference

PIPointSource.LessThan Operator

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PIPointSource.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.PI
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

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

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

Dim lhs As PIPointSource
Dim rhs As PIPointSource
Dim returnValue As Boolean

returnValue = (lhs < rhs)

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

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

Parameters

lhs: Type: OSIsoft.AF.PIPIPointSource
Left hand operator.
rhs: Type: OSIsoft.AF.PIPIPointSource
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 Name of the objects to perform the comparison operation.

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

AF SDK Reference