??????Disconnect???????????????????????????????QUIT??????????????????????????????????????庯?????￡?


private void Disconnect_Click(object sender?? System.EventArgs e)
{
//?????????????
Cursor cr = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
//???????????QUIT????????????POP3?????????
Data = "QUIT"+CRLF;
szData = System.Text.Encoding.ASCII.GetBytes(Data.ToCharArray());
NetStrm.Write(szData??0??szData.Length);
Status.Items.Add(RdStrm.ReadLine());
//???????
NetStrm.Close();
RdStrm.Close();
//????????
Connect.Enabled = true;
Disconnect.Enabled = false;
Retrieve.Enabled = false;
//???????????????
Cursor.Current = cr;
}

??????Retrieve?????????????????????????????????????е???????????????????????????????????????RETR????????????????ж?????????????????????????????"+"??????+OK?????????????"-"??????-ERR????????????????????￡???????????"???????????????????"??????????????????????????????????DELE??????????????????????????????￡?