void LoginBtnClickHandler(object sender, EventArgs e)
{
try
{
modelchat.UserLogIn(userlogin.LoginTB.Text);
userlogin.Hide();
ChatClient chatClient = new ChatClient();
_ = new PresentorChatClient(chatClient, modelchat);
chatClient.ShowDialog();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
