private void treeView1_DoubleClick(object sender, EventArgs e)
{
if (treeView1.SelectedNode != null)
{
if (FindForm(treeView1.SelectedNode) == null)
{
F_Chat msgform = new F_Chat();
msgform.Tag = treeView1.SelectedNode;
msgform.udpsocket = udpSocket1;
FormList.add(msgform);
msgform.FormList = FormList;
msgform.Text = "与" + (treeView1.SelectedNode.Tag as ClassUserInfo).UserName + "对话";
msgform.Show();
}
}
}
private void GetMsg(byte[] Data, System.Net.IPAddress Ip, int Port)
{
ClassMsg msg = (ClassMsg) new ClassSerializers().DeSerializerBinary(new MemoryStream(Data));
string sid = msg.SID; //发送方用户ID
string msgid = msg.msgID; //消息标识，GUID
switch (msg.sendKind)
{
case SendKind.SendMsg: //发送的消息
{
switch (msg.sendState) //消息发送的状态
{
case SendState.Single: //容量小的单消息
{
String rtf = Encoding.Unicode.GetString(msg.Data); //获取发送信息
Form msgform = null; //定义一个窗体
for (int i = 0; i < treeView1.Nodes.Count; i++) //在treeView1控件中遍历节点
{
if ((treeView1.Nodes[i].Tag as ClassUserInfo).UserID == sid) //如果当前节点的Tag值为发送信息的用户ID
{
msgform = FindForm(treeView1.Nodes[i]); //查找相关窗体信息
if (msgform != null)
{
(msgform as F_Chat).Rich_Out.SelectionStart = 0; //将光标定位到RichTextBox控件的起始位
(msgform as F_Chat).Rich_Out.AppendText((treeView1.Nodes[i].Tag as ClassUserInfo).UserName); //将发送方的名称添加到RichTextBox控件中
(msgform as F_Chat).Rich_Out.AppendText(" " + DateTime.Now.ToString()); //将发送时间添加到RichTextBox控件中
(msgform as F_Chat).Rich_Out.AppendText("\r\n"); //回车
(msgform as F_Chat).Rich_Out.SelectedRtf = rtf; //添加发送的信息
msgform.Text = "与" + (treeView1.Nodes[i].Tag as ClassUserInfo).UserName + "对话";
msgform.Activate(); //激活窗体
}
else
{
msgform = new F_Chat(); //创建并引用消信发送窗体
msgform.Tag = treeView1.Nodes[i]; //设置远程客户端的ID号
(msgform as F_Chat).udpsocket = udpSocket1; //获取udpSocket1控件的所有信息
FormList.add(msgform); //将当前窗体信息添加到窗体列表中
(msgform as F_Chat).FormList = FormList;
(msgform as F_Chat).Rich_Out.SelectionStart = 0;
(msgform as F_Chat).Rich_Out.AppendText(
(treeView1.Nodes[i].Tag as ClassUserInfo).UserName);
(msgform as F_Chat).Rich_Out.AppendText(" " + DateTime.Now.ToString());
(msgform as F_Chat).Rich_Out.AppendText("\r\n");
(msgform as F_Chat).Rich_Out.SelectedRtf = rtf;
msgform.Text = "与" + (treeView1.Nodes[i].Tag as ClassUserInfo).UserName + "对话";
msgform.Show(); //显示发送消息窗体
}
}
}
break;
}
case SendState.Start: //大容量开始消息
{
FileStream fs = null;
try
{
string FileName = "c:\\" + msgid + ".msg"; //设置文件接收路径
fs = File.Create(FileName); //创建文件
fs.Write(msg.Data, 0, msg.Data.Length); //向文件中写入接收物信息
}
finally
{
fs.Close(); //关闭文件
}
break;
}
case SendState.Sending: //大容量消息发送中
{
FileStream fs = null;
try
{
string FileName = "c:\\" + msgid + ".msg"; //设置文件接收路径
fs = File.OpenWrite(FileName); //打开当前要写入的文件
fs.Seek(0, SeekOrigin.End); //将该流的当前位值设为0
fs.Write(msg.Data, 0, msg.Data.Length); //向文件中写入当前接收的信息
}
finally
{
fs.Close();
}
break;
}
case SendState.End: //大容量消息结束
{
FileStream fs = null;
try
{
string FileName = "c:\\" + msgid + ".msg"; //文件所在路径
fs = File.OpenRead(FileName); //打开现有文件，以便进行读取
//fs.Seek(0, SeekOrigin.End);
//fs.Write(msg.Data, 0, msg.Data.Length);
byte[] fsdata = new byte[Convert.ToInt32(fs.Length)]; //将读取的信息存入到二进制流中
//fs.Seek(0, SeekOrigin.Begin);
fs.Read(fsdata, 0, Convert.ToInt32(fs.Length)); //将读取的流写入到缓冲区中
String rtf = Encoding.Unicode.GetString(fsdata); //将流转换成字符串
Form msgform = null;
for (int i = 0; i < treeView1.Nodes.Count; i++)
{
if ((treeView1.Nodes[i].Tag as ClassUserInfo).UserID == sid)
{
msgform = FindForm(treeView1.Nodes[i]);
if (msgform != null)
{
(msgform as F_Chat).Rich_Out.SelectionStart = 0;
(msgform as F_Chat).Rich_Out.AppendText(
(treeView1.Nodes[i].Tag as ClassUserInfo).UserName);
(msgform as F_Chat).Rich_Out.AppendText(" " + DateTime.Now.ToString());
(msgform as F_Chat).Rich_Out.AppendText("\r\n");
(msgform as F_Chat).Rich_Out.SelectedRtf = rtf;
msgform.Text = "与" + (treeView1.Nodes[i].Tag as ClassUserInfo).UserName + "对话";
msgform.Activate();
}
else
{
msgform = new F_Chat();
msgform.Tag = treeView1.Nodes[i];
(msgform as F_Chat).udpsocket = udpSocket1;
FormList.add(msgform);
(msgform as F_Chat).FormList = FormList;
(msgform as F_Chat).Rich_Out.SelectionStart = 0;
(msgform as F_Chat).Rich_Out.AppendText(
(treeView1.Nodes[i].Tag as ClassUserInfo).UserName);
(msgform as F_Chat).Rich_Out.AppendText(" " + DateTime.Now.ToString());
(msgform as F_Chat).Rich_Out.AppendText("\r\n");
(msgform as F_Chat).Rich_Out.SelectedRtf = rtf;
msgform.Text = "与" + (treeView1.Nodes[i].Tag as ClassUserInfo).UserName + "对话";
msgform.Show();
}
}
}
}
finally
{
fs.Close();
}
break;
}
}
break;
}
case SendKind.SendFile:
{
break;
}
}
}