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AF SDK Reference

PIIdentity.LessThanOrEqual Operator

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

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

Syntax

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

Dim lhs As PIIdentity
Dim rhs As PIIdentity
Dim returnValue As Boolean

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

Parameters

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

Return Value

Type: Boolean
Returns if the first operand is less than or equal to 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, 2.6

See Also

In This Topic
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