private void button1_Click(object sender, EventArgs e)
{
label3.Text = "Status: offline";
port = textBox1.Text;
var lastData = LastExitSerialization.GetPortData(port);
label2.Text = $"Дата последнего входа: {(lastData != string.Empty ? lastData : "Невозможно определить")}";
textBox2.Enabled = true;
button2.Enabled = true;
}
private void ReceiveMessage()
{
UdpClient udpClient = new UdpClient(8000);
IPEndPoint remoteIp = null;
try
{
while (true)
{
byte[] data = udpClient.Receive(ref remoteIp);
string message = Encoding.Unicode.GetString(data);
if (message.Substring(5) == "Exit")
{
if (message.Substring(0, 4) == port)
{
Invoke((MethodInvoker)(() => label3.Text = "Status: offline"));
}
LastExitSerialization.Serialize(message.Substring(0, 4), DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString());
}
if (message.Substring(5) == "Open")
{
if (message.Substring(0, 4) == port)
{
Invoke((MethodInvoker)(() => label3.Text = "Status: online"));
//return;
}
}
if (!string.IsNullOrEmpty(message) && message.Substring(0, 4) == port)
{
Invoke((MethodInvoker)(() => label3.Text = "Status: online"));
Invoke((MethodInvoker)(() => listBox2.Items.Add($"{message}")));
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
