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Visual Basic 2015 Unleashed
book

Visual Basic 2015 Unleashed

by Alessandro Del Sole
July 2015
Intermediate to advanced content levelIntermediate to advanced
1300 pages
87h 27m
English
Sams
Content preview from Visual Basic 2015 Unleashed

Canceling Tasks

In some situations you want to cancel task execution. To programmatically cancel a task, you need to enable tasks for cancellation, which requires some lines of code. You need an instance of the System.Threading.CancellationTokenSource class; this instance tells a System.Threading.CancellationToken that it should be canceled. The CancellationToken class provides notifications for cancellation. The following lines declare both objects:

Dim tokenSource As New CancellationTokenSource()Dim token As CancellationToken = tokenSource.Token

Setting Time for Cancellation

The .NET Framework 4.6 enables you to create an instance of the Cancellation-TokenSource class and specify on such an instance how much time ...

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Publisher Resources

ISBN: 9780134196664Purchase book