セミコロンとったらVB.NETとかとかとか、世迷言だよ、ぐるるる。
とあるクラス、リストしてから、重複除いた要素でごにょりたい、で作ったのでメモ。
Module Module2 Sub Main() Dim samples As New List(Of KeyData) Dim rnd As New Random Dim KeysCount = rnd.Next(1, 120) Console.WriteLine("{0} 件キー", KeysCount) For x As Integer = 1 To KeysCount samples.Add(New KeyData With { .Key1 = rnd.Next(1, 3).ToString("KeyA-000"), .Key2 = rnd.Next(1, 3).ToString("KeyB-000"), .Key3 = rnd.Next(1, 3).ToString("KeyC-000") }) Next Console.WriteLine("件数 : {0}", samples.Count) Console.WriteLine("重複なし件数 : {0}", samples.Distinct.Count) Console.ReadKey() End Sub End Module Public Class KeyData Implements IEquatable(Of KeyData) Property Key1 As String Property Key2 As String Property Key3 As String Public Function Equals1(other As KeyData) As Boolean Implements IEquatable(Of KeyData).Equals Return Key1 = other.Key1 _ AndAlso Key2 = other.Key2 _ AndAlso Key3 = other.Key3 End Function Public Overrides Function GetHashCode() As Integer Return Key1.GetHashCode Xor Key2.GetHashCode Xor Key3.GetHashCode End Function End Class