TaskScheduler.TryDequeue Method

Attempts to dequeue a Task that was previously queued to this scheduler.

Namespace:  System.Threading.Tasks
Assemblies:   System.Threading.Tasks (in System.Threading.Tasks.dll)
  mscorlib (in mscorlib.dll)

protected internal virtual bool TryDequeue(
	Task task
)

Parameters

task
Type: System.Threading.Tasks.Task

The Task to be dequeued.

Return Value

Type: System.Boolean
A Boolean denoting whether the task argument was successfully dequeued.

ExceptionCondition
ArgumentNullException

The task argument is null.

For more information, see Task Schedulers.

This method may execute in a finally block; therefore it should return as quickly as possible so that any resources such as CancellationTokenRegistration objects can be disposed of in a timely manner.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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