private void buttonJoin_Click(object sender, EventArgs e)
{
var name = this.textBoxName.Text;
if (name == "")
{
this.errorProvider.SetError(this.textBoxName, "Please enter your name.");
}
else
{
SimpleChatServer.IncomingMessage += SimpleChatServer_IncomingMessage;
try
{
SimpleChatServer.Join(name);
this.joined = true;
UpdateUIState();
this.textBoxMessage.Focus();
this.errorProvider.SetError(this.textBoxName, null);
// when joining from a browser that doesn't support WebSocket, enable the update timer.
if (!Application.IsWebSocket)
{
this.updateTimer.Start();
}
}
catch
{
SimpleChatServer.IncomingMessage -= this.SimpleChatServer_IncomingMessage;
throw;
}
}
}
private void buttonSend_Click(object sender, EventArgs e)
{
var text = this.textBoxMessage.Text;
if (text == "")
{
this.errorProvider.SetError(this.textBoxMessage, "Please enter a message.");
}
else
{
this.textBoxMessage.Text = "";
var name = this.textBoxName.Text;
SimpleChatServer.SendMessage(name, text);
this.errorProvider.SetError(this.textBoxMessage, null);
}
}
private void buttonLeave_Click(object sender, EventArgs e)
{
var name = this.textBoxName.Text;
SimpleChatServer.Leave(name);
SimpleChatServer.IncomingMessage -= this.SimpleChatServer_IncomingMessage;
this.joined = false;
UpdateUIState();
// when leaving from a browser that doesn't support WebSocket, stop the update timer.
if (this.updateTimer.Enabled)
{
this.updateTimer.Stop();
}
}