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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

Combining Delegates: Multicast Delegates

A delegate can hold a reference (that is, the address) to a method. It is possible to create delegates holding references to more than one method by creating multicast delegates. A multicast delegate is the combination of two or more delegates into a single delegate, providing the delegate the capability to make multiple invocations. The following code demonstrates how to create a multicast delegate, having two instances of the same delegate pointing to two different methods:

'The delegate is defined at namespace levelPublic Delegate Sub WriteTextMessage(ByVal textMessage As String)'....Private textWriter As New WriteTextMessage(AddressOf WriteSomething)Private complexWriter ...

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Publisher Resources

ISBN: 9780134196664Purchase book