public void addUcf(friend f)
{
UCFriend ucf = new UCFriend();
ucf.Frm = this;//此语句使Frm有this的属性（能使用HeadImages）
ucf.Curfriend = f;
ucf.Top = this.paFriendList.Controls.Count * ucf.Height;
this.paFriendList.Controls.Add(ucf);
this.ucfriendlist.Add(ucf);
ucf.timerjump.Enabled = true;
}
private void listen()
{
UdpClient uc = new UdpClient(9527);
while(true){
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 0);
byte[] Gotmsg = uc.Receive(ref ipep);
string SGotmsg = Encoding.Default.GetString(Gotmsg);
string[] stron = SGotmsg.Split('|');
if (stron[0] == "LOGIN")
{
if (ipep.Address.ToString() == getmyIp().ToString())
{
continue;
}
if (stron.Length != 4)
{
continue;
}
friend friend = new friend();
int cuImg= Convert.ToInt32(stron[2]);
if(cuImg<0||cuImg>=this.HeadImgs.Images.Count){
cuImg = 0;
}
friend.headImg = cuImg;
friend.NickName=stron[1];
friend.shuoshuo = stron[3];
friend.IP = ipep.Address;
friend.isopen = false;
object[] pars = new object[1];
pars[0] = friend;
this.Invoke(new deAddFriend(addUcf),pars);
UdpClient uc1 = new UdpClient();
string alsommsg = "ALSOON|"+ this.labNickName.Text + "|2|我来了";
byte[] balsommsg = Encoding.Default.GetBytes(alsommsg);
uc1.Send(balsommsg, balsommsg.Length, new IPEndPoint(ipep.Address, 9527));
}
//ChatForm chafrm = new ChatForm();
if (stron[0] == "MSG")
{
//chatform = chafrm;
foreach(friend item in friendlist)
{
if(item.IP.ToString()==ipep.Address.ToString())
{
item.fchat.chathistory.AppendText(stron[2]+"\r\n"+stron[1]+"\r\n");
}
}
Panel pacrefri = this.getfriendList();
foreach (UCFriend ufc1 in pacrefri.Controls)
{
if (ufc1.Curfriend.IP.ToString() == ipep.Address.ToString())
{
}
}
}
if(stron[0]=="ALSOON"){
if (ipep.Address.ToString() == getmyIp().ToString())
{
continue;
}
if (stron.Length != 4)
{
continue;
}
friend alsofriend = new friend();
int alsocuImg = Convert.ToInt32(stron[2]);
if (alsocuImg < 0 || alsocuImg >= this.HeadImgs.Images.Count)
{
alsocuImg = 0;
}
alsofriend.headImg = alsocuImg;
alsofriend.NickName = stron[1];
alsofriend.shuoshuo = stron[3];
alsofriend.IP = ipep.Address;
alsofriend.isopen = false;
object[] pars = new object[1];
pars[0] = alsofriend;
this.Invoke(new deAddFriend(addUcf), pars);
}
if (stron[0] == "LOGOUT")
{
Panel pacrefri = this.getfriendList();
int delenumber=0;
foreach(UCFriend ufc in pacrefri.Controls)
{
if(ufc.Curfriend.IP.ToString()==ipep.Address.ToString())
{
pacrefri.Controls.Remove(ufc);
}
delenumber++;
}
for (int i = delenumber; i < pacrefri.Controls.Count; i++)
{
pacrefri.Controls[i].Top=pacrefri.Controls[0].Height*i;
}
}
}
}