Class LatestMailbox<T>

A thread-safe mailbox that always holds at most one message of type T. When a new message is added, it overwrites any existing message. This is useful in scenarios where only the most recent message is relevant, such as UI or viewport updates, and outdated messages should be ignored.

Inheritance

object

LatestMailbox<T>

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Mapsui.Fetcher

Assembly: Mapsui.dll

Syntax

public class LatestMailbox<T> where T : class

Type Parameters

Name	Description
T	The type of message to store. Must be a reference type.

Properties

IsEmpty

Declaration

public bool IsEmpty { get; }

Property Value

Type	Description
bool

Methods

Overwrite(T)

Stores the specified message in the mailbox, replacing any previous message. If a message was already present, it is discarded and replaced by the new one.

Declaration

public void Overwrite(T message)

Parameters

Type	Name	Description
T	message	The message to store. Cannot be null.

TryTake(out T)

Attempts to retrieve and remove the current message from the mailbox. If a message is present, it is returned and the mailbox is cleared. If no message is present, returns false.

Declaration

public bool TryTake(out T message)

Parameters

Type	Name	Description
T	message	When this method returns, contains the message retrieved from the mailbox, or null if the mailbox was empty.

Returns

Type	Description
bool	True if a message was present and retrieved; false if the mailbox was empty.

Extension Methods

DisposableExtension.DisposeIfDisposable(object?)