IMessengerExtensions.IsRegistered<TMessage>(IMessenger, Object) Method
Definition
Important
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Checks whether or not a given recipient has already been registered for a message.
public static bool IsRegistered<TMessage> (this CommunityToolkit.Mvvm.Messaging.IMessenger messenger, object recipient) where TMessage : class;
static member IsRegistered : CommunityToolkit.Mvvm.Messaging.IMessenger * obj -> bool (requires 'Message : null)
<Extension()>
Public Function IsRegistered(Of TMessage As Class) (messenger As IMessenger, recipient As Object) As Boolean
Type Parameters
- TMessage
The type of message to check for the given recipient.
Parameters
- messenger
- IMessenger
The IMessenger instance to use to check the registration.
- recipient
- Object
The target recipient to check the registration for.
Returns
Whether or not recipient
has already been registered for the specified message.
Remarks
This method will use the default channel to check for the requested registration.