AddValidateAsync Method

Add custom validation functions for this attribute.

Syntax

public Task<bool> AddValidateAsync( 
   Func<Task<IEnumerable<Attribute.ValidationError>>> f
)

Public Function AddValidateAsync( _
   ByVal f As Func(Of Task(Of IEnumerable(Of Attribute.ValidationError))) _
) As Task(Of Boolean)

A task returning a Boolean indicating whether the attribute is valid with this custom validation function.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7