protected virtual void OnUserAvail(IMAvailEventArgs e)
{
if (UserAvailable != null)
{
UserAvailable(this, e);
}
}
private void OnIm_UserAvailable(object sender, IMAvailEventArgs e)
{
if (e.Username == sendTo)
{
if (e.IsAvailable != lastAvail)
{
this.BeginInvoke(new MethodInvoker(delegate
{
lastAvail = e.IsAvailable;
this.sendTextBox.Enabled = true;
string avail = (lastAvail ? "Available" : "Unavailable");
this.sendTextBox.Enabled = lastAvail;
this.talkTextBox.Text += string.Format("[{0} is {1}]\r\n", sendTo, avail);
}));
}
}
}