IMessenger.Register<TMessage>(Object, Object, Boolean, Action<TMessage>) Method

Registers a handler of a specific message type.

Namespace: DevExpress.Mvvm

Assembly: DevExpress.Mvvm.v23.2.dll

NuGet Packages: DevExpress.Mvvm, DevExpress.Win.Navigation

Declaration

C#

void Register<TMessage>(
    object recipient,
    object token,
    bool receiveInheritedMessages,
    Action<TMessage> action
)

VB.NET

Sub Register(Of TMessage)(
    recipient As Object,
    token As Object,
    receiveInheritedMessages As Boolean,
    action As Action(Of TMessage)
)

Parameters

Name	Type	Description
recipient	Object	An object that will receive messages.
token	Object	An object (marker) that can be used to identify a specific message. null if you want to process messages without tokens.
receiveInheritedMessages	Boolean	true to receive messages of the TMessage type and all derived types; false to receive messages of the TMessage type only.
action	Action<TMessage>	An action that will be invoked when the specified message occurs.

Type Parameters

Name
TMessage

Remarks

When sending a message, a token can be assigned to the message via the Send method’s parameter. Only message recipients that registered the same token via the Register method are invoked when this message occurs.

See Messenger to learn more.