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单选题

You are creating a Windows application for graphical image processing by using the .NET Framework 3.5. You create an image processing function and a delegate.You plan to invoke the image processing function by using the delegate.You need to ensure that the calling thread meets the following requirements:  (1)It is not blocked when the delegate is running   (2)It is notified when the delegate is complete What should you do?()

发布日期:2021-03-17

You are creating a Windows application for graphic...
A

Call the Invoke method of the delegate.

B

Call the BeginInvoke and EndInvoke methods of the delegate in the calling thread.

C

Call the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method in the callback method.

D

Call the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method of the delegate in the calling thread.

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