Twisted and Tkinter

[Chris]

Does anyone know how to use twisted and tkinter. I have a simple tcp
server
and I want to send messages to it once connected using a tkinter
button? I
have built the code as far as I can but don't know what to do from
here. Any reference I try to put to sendmessage in chatfactory doesn't
seem to work, just brings up error messages.
This is my code:

from twisted.internet import reactor
from twisted.internet.protocol import Protocol, ClientFactory
from twisted.protocols.basic import LineReceiver
from Tkinter import *
from twisted.internet import tksupport

class ChatClient(LineReceiver):

    def connectionMade(self):
        self.sendLine("Hello server")

    def lineReceived(self, line):
        pass

    def connectionLost(self, reason):
        pass



class ChatFactory(ClientFactory):
    protocol = ChatClient

    def clientConnectionFailed(self, connector, reason):
        reactor.stop()

    def clientConnectionLost(self, connector, reason):
        reactor.stop()

    def sendMessage(self):
        self.sendLine("Test")


root = Tk()
b1 = Button(root,text="Send")
#b1.configure(command=sendline to server here)
b1.pack()
tksupport.install(root)
reactor.connectTCP('localhost',4567,ChatFactory())
reactor.run()