private void SendMessage(int NumRetries, string str)
{
IrDAClient client = null;
int CurrentTries = 0;
do
{
try
{
client = new IrDAClient(ServiceName);
}
catch (Exception se)
{
if ((CurrentTries >= NumRetries))
{
throw se;
}
}
CurrentTries = CurrentTries + 1;
} while (client == null & CurrentTries < NumRetries);
if ((client == null))
{
StatusBar1.BeginInvoke(new myDelegate(UpdateStatus), new object[] { "Error establishing contact" });
return;
}
System.IO.Stream stream = null;
try
{
stream = client.GetStream();
stream.Write(System.Text.ASCIIEncoding.ASCII.GetBytes(str), 0, str.Length);
StatusBar1.BeginInvoke(new myDelegate(UpdateStatus), new object[] { "Message sent!" });
txtMessagesArchive.Text = str + "\r\n" + txtMessagesArchive.Text;
}
catch (Exception e)
{
StatusBar1.BeginInvoke(new myDelegate(UpdateStatus), new object[] { "Error sending message." });
}
finally
{
if ((!(stream == null)))
{
stream.Close();
}
if ((!(client == null)))
{
client.Close();
}
}
}
/// <summary>
/// Detiene la conexión.
/// </summary>
public override void Parar()
{
if (clienteIR != null)
{
clienteIR.Close();
clienteIR = null;
if (escuchaIR != null)
{
escuchaIR.Stop();
}
Cursor.Current = Cursors.Default;
}
}
private string ReceiveMessage()
{
int bytesRead = 0;
IrDAListener listener = new IrDAListener(ServiceName);
IrDAClient client = null;
System.IO.Stream stream = null;
byte[] Buffer = new byte[MAX_MESSAGE_SIZE - 1];
string str = string.Empty;
try
{
listener.Start();
//---blocking call---
client = listener.AcceptIrDAClient();
stream = client.GetStream();
bytesRead = stream.Read(Buffer, 0, Buffer.Length);
//---format the received message---
str = ">" + System.Text.ASCIIEncoding.ASCII.GetString(Buffer, 0, bytesRead);
}
catch (SocketException ex)
{
//---ignore error---
}
catch (Exception e)
{
txtMessagesArchive.BeginInvoke(new myDelegate(UpdateStatus),
new object[] { e.ToString() });
}
finally
{
if ((!(stream == null)))
{
stream.Close();
}
if ((!(client == null)))
{
client.Close();
}
listener.Stop();
}
return(str);
}
private void SendMessage(int NumRetries, string str)
{
IrDAClient client = null;
int CurrentTries = 0;
//---try to establish a connection---
do
{
try
{
client = new IrDAClient(ServiceName);
}
catch (Exception se)
{
if ((CurrentTries >= NumRetries))
{
throw se;
}
}
CurrentTries = CurrentTries + 1;
} while (client == null & CurrentTries < NumRetries);
//---timeout occurred---
if ((client == null))
{
txtMessagesArchive.BeginInvoke(new myDelegate(UpdateStatus),
new object[] { "Error establishing contact" });
return;
}
//---send the message over a stream object---
System.IO.Stream stream = null;
try
{
stream = client.GetStream();
stream.Write(System.Text.ASCIIEncoding.ASCII.GetBytes(str), 0, str.Length);
//---update the status bar---
txtMessagesArchive.BeginInvoke(new myDelegate(UpdateStatus),
new object[] { "Message sent!" });
//---display the message that was sent---
txtMessagesArchive.Text = str + Environment.NewLine + txtMessagesArchive.Text;
}
catch (Exception e)
{
txtMessagesArchive.BeginInvoke(new myDelegate(UpdateStatus),
new object[] { "Error sending message." });
}
finally
{
if ((!(stream == null)))
{
stream.Close();
}
if ((!(client == null)))
{
client.Close();
}
}
}
public override async Task Close()
{
await Task.Run(() => _client.Close());
}