Public Class Form1 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click '接続情報 Dim server As String = "pop.ae.auone-net.jp" Dim port As Integer = 110 Dim userid As String = "a789133385" Dim pass As String = "v2wr2ipe" 'サーバへの接続用クラスを作成する Dim address As System.Net.IPAddress = System.Net.Dns.GetHostByName(server).AddressList(0) Dim logon As New TKMP.Net.BasicPopLogon(userid, pass) Dim pop As New TKMP.Net.PopClient(logon, address, port) '接続開始 If Not pop.Connect() Then System.Windows.Forms.MessageBox.Show("接続失敗") Return End If 'このあたりからわかりません Dim ui As New UID 'ファイルからUIDを読み込む Dim itm() As String = ReadUID() ' 未読メールの取得 Dim mails As ArrayList = ui.NoReadMails(pop, itm) '未読メールの表示 MsgBox(mails.ToString()) '取得したUIDの保存 SaveUID(mails) '切断 pop.Close() End Sub End Class Class UID '接続済みのクライアントクラスと、読み出し済みUIDリストを引数に渡すと、 '未読メールのクラス一覧を返します Public Function NoReadMails(ByVal PopClient As TKMP.Net.PopClient, ByVal ReadUIDList() As String) As TKMP.Net.MailData() '一時格納用のコレクション Dim mails As New System.Collections.ArrayList 'メールボックスの全てのメールを検査する Dim mail As TKMP.Net.MailData For Each mail In PopClient.MailDatas Dim read As Boolean = False '読み出し済みUIDと一致するものを確認する Dim UID As String For Each UID In ReadUIDList If mail.UID.Equals(UID) Then read = True Exit For End If Next UID If Not read Then '未読をコレクションに追加する mails.Add(mail) End If Next mail 'コレクションから配列へ変換 Dim mailarray As TKMP.Net.MailData() = CType(mails.ToArray(GetType(TKMP.Net.MailData)), TKMP.Net.MailData()) Return mailarray End Function End Class