private void HelpLink_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
try
{
Uri helpURI = new Uri(DEFAULT_HELP_URL);
HtmlPage.Window.Navigate(new Uri(DEFAULT_HELP_URL), "SIPSorceryHelp", DEFAULT_HELP_OPTIONS);
}
catch
{
LogActivityMessage_External(MessageLevelsEnum.Warn, "Unable to display help, you may have popup windows disabled. Alternatively navigate to " + DEFAULT_HELP_URL + ".");
}
}