Enumerable.Except produces the set difference of two sequences by using the default equality comparer to compare values.
Imports System Imports System.Linq Imports System.Collections.Generic Public Class Example Public Shared Sub Main() ' Create two arrays of doubles. Dim numbers1() As Double = {2.0, 2.1, 2.2, 2.3, 2.4, 2.5} Dim numbers2() As Double = {2.2} ' Select the elements from the first array that are not ' in the second array. Dim onlyInFirstSet As IEnumerable(Of Double) = numbers1.Except(numbers2) For Each number As Double In onlyInFirstSet Console.WriteLine(number) Next End Sub End Class