public void DisconnectUser()
{
client.Disconnect(ID);
client = null;
Button = "Connect";
IsEneble = true;
isConnect = false;
}
void ConnectUser()
{
if (!isConnect)
{
client = new Chat_servisClient(new System.ServiceModel.InstanceContext(this));
ID = client.Connect(name);
Button = "Disconnect";
IsEneble = false;
isConnect = true;
}
}