TryGetFieldValue Method (

Attempts to retrieve a value of specified field from the event data.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Function TryGetFieldValue( _
   ByVal attributeField As Object, _
   ByRef value As Object _
) As Boolean

'Usage
 
Dim instance As _UAEventData
Dim attributeField As Object
Dim value As Object
Dim value As Boolean
 
value = instance.TryGetFieldValue(attributeField, value)

bool TryGetFieldValue( 
   object attributeField,
   out object value
)

bool TryGetFieldValue( 
   Object^ attributeField,
   [Out] Object^ value
)

Parameters

attributeField: Attribute field to look up in the event data.
value: The value found, or a null reference if the attribute field has not been found.

Return Value

Returns true if the attribute field has been found; false otherwise.

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

_UAEventData Interface
_UAEventData Members

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