FromFailed<T>(OperationResult) Method

Creates a new instance of the value result from a given failed operation result.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<NotNullAttribute()>
Public Overloads Shared Function FromFailed(Of T)( _
   ByVal failedOperationResult As OperationResult _
) As ValueResult(Of T)

'Usage
 
Dim failedOperationResult As OperationResult
Dim value As ValueResult(Of T)
 
value = ValueResult.FromFailed(Of T)(failedOperationResult)

[NotNull()]
public static ValueResult<T> FromFailed<T>( 
   OperationResult failedOperationResult
)

[NotNull()]
public:
static ValueResult<T^>^ FromFailedgeneric<typename T>
( 
   OperationResult^ failedOperationResult
)

Parameters

failedOperationResult: The failed operation result.
The value of this parameter cannot be null (Nothing in Visual Basic).

Type Parameters

T

Return Value

A value result with the same state and exception as the operation result passed in.

This method never returns null (Nothing in Visual Basic).

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

ValueResult Class
ValueResult Members
Overload List

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