AFEventFrame.LessThan Operator
- Last UpdatedNov 18, 2025
- 2 minute read
- PI System
- AF SDK 2024 R2
- Developer
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: BooleanReturns 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.