void ConnectUser()
{
if (!isConnected)
{
client = new ServiceChatClient(new System.ServiceModel.InstanceContext(this));
ID = client.Connect(textBox2.Text);
textBox2.Enabled = false;
button1.Text = "Выйти";
var messages = client.ShowMsg(textBox2.Text);
if (messages != null)
{
foreach (var m in messages)
{
if (m != "")
{
listBox1.Items.Add(m);
}
}
}
isConnected = true;
}
}