Class FilePathExistsAttributeBase

Namespace

McMaster.Extensions.CommandLineUtils.Validation

Assembly

McMaster.Extensions.CommandLineUtils.dll

Base type for attributes that check for existing files or directories.

[AttributeUsage(AttributeTargets.Property)]
public abstract class FilePathExistsAttributeBase : ValidationAttribute

Inheritance

object

Attribute

ValidationAttribute

FilePathExistsAttributeBase

Derived

DirectoryExistsAttribute

FileExistsAttribute

FileOrDirectoryExistsAttribute

Methods

IsValid(object?, ValidationContext)

Validates the specified value with respect to the current validation attribute.

protected override ValidationResult? IsValid(object? value, ValidationContext validationContext)

Parameters

value object

The value to validate.

validationContext ValidationContext

The context information about the validation operation.

Returns

ValidationResult

An instance of the ValidationResult class.

Exceptions

InvalidOperationException

The current attribute is malformed.

NotImplementedException

IsValid(object, ValidationContext) has not been implemented by a derived class.