private void Send()
{
try
{
Data data = new Data()
{
DrawMode = DrawMode,
Color = color,
X0 = x0,
Y0 = y0,
X = x,
Y = y,
Cx = cx,
Cy = cy,
PenSize = trackBar1.Value
};
DataContractJsonSerializer js = new DataContractJsonSerializer(typeof(Data));
MemoryStream ms = new MemoryStream();
js.WriteObject(ms, data);
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
Packet sendData = new Packet();
sendData.ChatMessage = sr.ReadToEnd();
sendData.ChatDataIdentifier = DataIdentifier.Message;
byte[] byteData = sendData.GetDataStream();
clientSocket.BeginSendTo(byteData, 0, byteData.Length, SocketFlags.None, epServer, new AsyncCallback(this.SendData), null);
sr.Close();
ms.Close();
}
catch (Exception ex)
{ }
}
private void btnConnect_Click(object sender, RoutedEventArgs e)
{
try
{
name = tbUserName.Text.Trim();
Packet sendData = new Packet();
sendData.ChatName = name;
sendData.ChatMessage = null;
sendData.ChatDataId = DataId.LogIn;
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPAddress serverIP = IPAddress.Parse(tbServerIP.Text.Trim());
IPEndPoint server = new IPEndPoint(serverIP, 50000);
epServer = server;
byte[] data = sendData.GetDataStream();
clientSocket.BeginSendTo(data, 0, data.Length, SocketFlags.None, epServer, new AsyncCallback(SendData), null);
dataStream = new byte[1024];
clientSocket.BeginReceiveFrom(dataStream, 0, dataStream.Length, SocketFlags.None, ref epServer, new AsyncCallback(ReceiveData), null);
}
catch (Exception ex)
{
MessageBox.Show("Connection Error: " + ex.Message, "Client Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnConnect_Click(object sender, EventArgs e)
{
try
{
Packet sendData = new Packet();
sendData.ChatMessage = null;
this.clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPAddress serverIP = IPAddress.Parse(txtServerIP.Text.Trim());
IPEndPoint server = new IPEndPoint(serverIP, 30000);
epServer = (EndPoint)server;
byte[] data = sendData.GetDataStream();
clientSocket.BeginSendTo(data, 0, data.Length, SocketFlags.None, epServer, new AsyncCallback(this.SendData), null);
}
catch (Exception ex)
{}
}
private void btnSend_Click(object sender, RoutedEventArgs e)
{
try
{
Packet sendData = new Packet();
sendData.ChatName = name;
sendData.ChatMessage = tbNewMessage.Text.Trim();
sendData.ChatDataId = DataId.Message;
byte[] byteData = sendData.GetDataStream();
clientSocket.BeginSendTo(byteData, 0, byteData.Length, SocketFlags.None, epServer, new AsyncCallback(SendData), null);
tbNewMessage.Clear();
}
catch (Exception ex)
{
MessageBox.Show("Send Error: " + ex.Message, "Client Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
if (clientSocket != null)
{
Packet sendData = new Packet();
sendData.ChatDataId = DataId.LogOut;
sendData.ChatName = name;
sendData.ChatMessage = null;
byte[] byteData = sendData.GetDataStream();
clientSocket.SendTo(byteData, 0, byteData.Length, SocketFlags.None, epServer);
clientSocket.Close();
}
}
catch (Exception ex)
{
MessageBox.Show("Closing Error: " + ex.Message, "Client Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
