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Option<T> Class

Definition

A symbol defining a named parameter and a value for that parameter.

generic <typename T>
public ref class Option : System::CommandLine::Option, System::CommandLine::Binding::IValueDescriptor<T>
public class Option<T> : System.CommandLine.Option, System.CommandLine.Binding.IValueDescriptor<T>
type Option<'T> = class
    inherit Option
    interface IValueDescriptor<'T>
    interface IValueDescriptor
Public Class Option(Of T)
Inherits Option
Implements IValueDescriptor(Of T)

Type Parameters

T

The Type that the option's arguments are expected to be parsed as.

Inheritance
Implements

Constructors

Option<T>(String, Func<T>, String)
Option<T>(String, ParseArgument<T>, Boolean, String)
Option<T>(String, String)

Initializes a new instance of the IdentifierSymbol class.

Option<T>(String[], Func<T>, String)
Option<T>(String[], ParseArgument<T>, Boolean, String)
Option<T>(String[], String)

Properties

Aliases

Gets the set of strings that can be used on the command line to specify the symbol.

(Inherited from IdentifierSymbol)
AllowMultipleArgumentsPerToken

Gets a value that indicates whether multiple argument tokens are allowed for each option identifier token.

(Inherited from Option)
ArgumentHelpName

Gets or sets the name of the argument when displayed in help.

(Inherited from Option)
Arity

Gets or sets the arity of the option.

Description

Gets or sets the description of the symbol.

(Inherited from Symbol)
IsHidden

Gets or sets a value indicating whether the symbol is hidden.

(Inherited from Symbol)
IsRequired

Indicates whether the option is required when its parent command is invoked.

(Inherited from Option)
Name

Gets or sets the symbol name.

(Inherited from Option)
Parents

Gets the parent symbols.

(Inherited from Symbol)
ValueType

The Type that the option's arguments are expected to be parsed as.

(Inherited from Option)

Methods

AddAlias(String)

Adds an alias.

(Inherited from IdentifierSymbol)
AddValidator(ValidateSymbolResult<OptionResult>)

Adds a validator that will be called when the option is matched by the parser.

(Inherited from Option)
Equals(Object)

Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetCompletions()

Gets completions for the symbol.

(Inherited from Symbol)
GetCompletions(CompletionContext)

Gets the suggested values for command line completion.

(Inherited from Option)
GetHashCode()

Serves as the default hash function.

(Inherited from Object)
GetType()

Gets the Type of the current instance.

(Inherited from Object)
HasAlias(String)

Determines whether the alias has already been defined.

(Inherited from IdentifierSymbol)
HasAliasIgnoringPrefix(String)

Indicates whether a given alias exists on the option, regardless of its prefix.

(Inherited from Option)
MemberwiseClone()

Creates a shallow copy of the current Object.

(Inherited from Object)
SetDefaultValue(Object)

Sets the default value for the option.

(Inherited from Option)
SetDefaultValueFactory(Func<Object>)

Sets a delegate to invoke when the default value for the option is required.

(Inherited from Option)
ToString()

Returns a string that represents the current object.

(Inherited from Symbol)

Explicit Interface Implementations

IValueDescriptor.GetDefaultValue()

Gets the default value, if any.

(Inherited from Option)
IValueDescriptor.HasDefaultValue

Gets a value that indicates whether there is a default value.

(Inherited from Option)
IValueDescriptor.ValueName

Gets the name of the value.

(Inherited from Option)

Extension Methods

ExistingOnly<T>(Option<T>)

Configures an option to accept only values corresponding to a existing files or directories.

Parse(Option, String)

Parses a command line string value using an option.

Parse(Option, String[])

Parses a command line string value using an option.

Applies to