StrongReferenceMessenger.IsRegistered<TMessage,TToken> Method

Reference

Definition

Namespace:: Microsoft.Toolkit.Mvvm.Messaging

Assembly:: Microsoft.Toolkit.Mvvm.dll

Package:: Microsoft.Toolkit.Mvvm v7.0.2

Package:: Microsoft.Toolkit.Mvvm v7.1.2

Important

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Checks whether or not a given recipient has already been registered for a message.

public bool IsRegistered<TMessage,TToken> (object recipient, TToken token) where TMessage : class where TToken : IEquatable<TToken>;

abstract member IsRegistered : obj * 'oken -> bool (requires 'Message : null and 'oken :> IEquatable<'oken>)
override this.IsRegistered : obj * 'oken -> bool (requires 'Message : null and 'oken :> IEquatable<'oken>)

Public Function IsRegistered(Of TMessage As Class, TToken As Class) (recipient As Object, token As TToken) As Boolean

Type Parameters

TMessage

The type of message to check for the given recipient.

TToken

The type of token to check the channel for.

Parameters

recipient: Object

The target recipient to check the registration for.

token: TToken

The token used to identify the target channel to check.

Returns

Boolean

Whether or not recipient has already been registered for the specified message.

Implements

IsRegistered<TMessage,TToken>(Object, TToken)

Applies to