Class AllowedValuesAttribute

Specifies a set of allowed values and a comparer used to determine if a value is in that set.

By default, value comparison is case-sensitive. To ensure case matches exactly, set IgnoreCase to false.

Inheritance

System.Object

System.Attribute

System.ComponentModel.DataAnnotations.ValidationAttribute

AllowedValuesAttribute

Namespace: McMaster.Extensions.CommandLineUtils

Assembly: McMaster.Extensions.CommandLineUtils.dll

Syntax

[AttributeUsage(AttributeTargets.Property)]
public sealed class AllowedValuesAttribute : ValidationAttribute

Constructors

AllowedValuesAttribute(String[])

Initializes an instance of AllowedValuesAttribute.

Declaration

public AllowedValuesAttribute(params string[] allowedValues)

Parameters

Type	Name	Description
System.String[]	allowedValues

AllowedValuesAttribute(StringComparison, String[])

Initializes an instance of AllowedValuesAttribute.

Declaration

public AllowedValuesAttribute(StringComparison comparer, params string[] allowedValues)

Parameters

Type	Name	Description
System.StringComparison	comparer
System.String[]	allowedValues

Properties

Comparer

The comparison method used.

Declaration

public StringComparison Comparer { get; set; }

Property Value

Type	Description
System.StringComparison

IgnoreCase

Comparison between values and allowed values should ignore case.

Declaration

public bool IgnoreCase { get; set; }

Property Value

Type	Description
System.Boolean

Methods

IsValid(Object, ValidationContext)

Declaration

protected override ValidationResult IsValid(object value, ValidationContext validationContext)

Parameters

Type	Name	Description
System.Object	value
System.ComponentModel.DataAnnotations.ValidationContext	validationContext

Returns

Type	Description
System.ComponentModel.DataAnnotations.ValidationResult

Overrides

System.ComponentModel.DataAnnotations.ValidationAttribute.IsValid(System.Object, System.ComponentModel.DataAnnotations.ValidationContext)