Delegate Syntax : Delegate « Language Basics « VB.Net

1. VB.Net
2. Language Basics
3. Delegate

Delegate Syntax

  

Option Strict On
Imports System.Collections.Generic
Module Program
    Sub Main()

        Dim list As New List(Of Integer)()
        list.AddRange(New Integer() {20, 1, 4, 8, 9, 44})
        Dim callback As New Predicate(Of Integer)(AddressOf IsEvenNumber)
        Dim evenNumbers As List(Of Integer) = list.FindAll(callback)
        For Each evenNumber As Integer In evenNumbers
            Console.WriteLine(evenNumber)
        Next
    End Sub

    Function IsEvenNumber(ByVal i As Integer) As Boolean
        Return (i Mod 2) = 0
    End Function
End Module

   
    
  

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