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IAsyncWaitQueue

Name Value
Assembly Catel.Core
Namespace Catel.Threading
Available on .NET Framework 4.5, .NET Framework 4.6, Portable Class Libraries, Xamarin - Android, Xamarin - iOS 
public interface IAsyncWaitQueue<T, T>

A collection of cancelable instances. Implementations must be threadsafe must work correctly if the caller is holding a lock.

Type Parameters

T The type of the results. If this isn’t needed, use.

Remarks

This code originally comes from AsyncEx: https://github.com/StephenCleary/AsyncEx

Properties

IsEmpty

Gets whether the queue is empty.

Methods

CancelAll()

Removes all entries from the wait queue. Returns a disposable that cancels all entries.

Dequeue(T result)

Removes a single entry in the wait queue. Returns a disposable that completes that entry.

Parameters

Name Description
result The result used to complete the wait queue entry. If this isn’t needed, usedefault(T).

DequeueAll(T result)

Removes all entries in the wait queue. Returns a disposable that completes all entries.

Parameters

Name Description
result The result used to complete the wait queue entries. If this isn’t needed, usedefault(T).

EnqueueAsync()

Creates a new entry and queues it to this wait queue. The returned task must support both synchronous and asynchronous waits.

Returns

The queued task.

TryCancel(Task task)

Attempts to remove an entry from the wait queue. Returns a disposable that cancels the entry.

Parameters

Name Description
task The task to cancel.

Returns

A value indicating whether the entry was found and canceled.

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