how-to-invoke-a-delegate-method.md

title	How to: Invoke a Delegate Method (Visual Basic)
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ms.date	07/20/2015
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How to: Invoke a Delegate Method (Visual Basic)

This example shows how to associate a method with a delegate and then invoke that method through the delegate.

Create the delegate and matching procedures

1. Create a delegate named MySubDelegate.

   Delegate Sub MySubDelegate(ByVal x As Integer)  
   

2. Declare a class that contains a method with the same signature as the delegate.

   Class class1  
       Sub Sub1(ByVal x As Integer)  
           MsgBox("The value of x is: " & CStr(x))  
       End Sub  
   End Class  
   

3. Define a method that creates an instance of the delegate and invokes the method associated with the delegate by calling the built-in Invoke method.

   Protected Sub DelegateTest()  
       Dim c1 As New class1  
       ' Create an instance of the delegate.  
       Dim msd As MySubDelegate = AddressOf c1.Sub1  
       ' Call the method.  
       msd.Invoke(10)  
   End Sub  
   

See Also

Delegate Statement
Delegates
Events
Multithreaded Applications