/// <summary>
/// The function called when a client connects to the named pipe. Note: This method is called on a non-UI thread.
/// </summary>
/// <param name="iAsyncResult"></param>
private void NamedPipeServerConnectionCallback(IAsyncResult iAsyncResult)
{
try
{
// End waiting for the connection
_namedPipeServerStream.EndWaitForConnection(iAsyncResult);
// Read data and prevent access to _namedPipeXmlPayload during threaded operations
lock (_namedPiperServerThreadLock)
{
// Read data from client
var xmlSerializer = new XmlSerializer(typeof(NamedPipeXmlPayload));
_namedPipeXmlPayload = (NamedPipeXmlPayload)xmlSerializer.Deserialize(_namedPipeServerStream);
// _namedPipeXmlPayload contains the data sent from the other instance
// As an example output it to the textbox
// In more complicated cases would need to do some processing here and possibly pass to UI thread
//////////////////
//////////////////
//////////////////
//////////////////
///
}
}
catch (ObjectDisposedException)
{
// EndWaitForConnection will exception when someone closes the pipe before connection made
// In that case we dont create any more pipes and just return
// This will happen when app is closing and our pipe is closed/disposed
return;
}
catch (Exception)
{
// ignored
}
finally
{
// Close the original pipe (we will create a new one each time)
_namedPipeServerStream.Dispose();
}
// Create a new pipe for next connection
NamedPipeServerCreateServer();
FormsExternalStuff.RecievedMessageCheck(_namedPipeXmlPayload.Payload[0].ToString());
}
/// <summary>
/// Uses a named pipe to send the currently parsed options to an already running instance.
/// </summary>
/// <param name="namedPipePayload"></param>
private void NamedPipeClientSendOptions(NamedPipeXmlPayload namedPipePayload)
{
try
{
using (var namedPipeClientStream = new NamedPipeClientStream(".", PipeName, PipeDirection.Out))
{
namedPipeClientStream.Connect(3000); // Maximum wait 3 seconds
var xmlSerializer = new XmlSerializer(typeof(NamedPipeXmlPayload));
xmlSerializer.Serialize(namedPipeClientStream, namedPipePayload);
}
}
catch (Exception)
{
// Error connecting or sending
}
}
public PipeClient()
{
// We are not the first instance, send the named pipe message with our payload and stop loading
var namedPipeXmlPayload = new NamedPipeXmlPayload
{
Payload = new List <string> ()
{
"Mensagem"
}
};
// Send the message
NamedPipeClientSendOptions(namedPipeXmlPayload);
// Stop loading form and quit
//Close();
}
