Search item with IndexOf and Contains

 

Imports System
Imports System.Collections.Generic
Imports System.Collections.ObjectModel

Public Class Demo
    
    Public Shared Sub Main() 

        Dim numbers As New Collection(Of String)

        numbers.Add("One")
        numbers.Add("Two")
        numbers.Add("Five")
        numbers.Add("Three")

    
        Console.WriteLine(numbers.IndexOf("Three"))

        Console.WriteLine(numbers.Contains("Two"))


    End Sub
    
    Private Shared Sub Display(ByVal cs As Collection(Of String)) 
        Console.WriteLine()
        For Each item As String In cs
            Console.WriteLine(item)
        Next item
    End Sub
End Class

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Search item with IndexOf and Contains : Collection « Data Structure « VB.Net

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