protected override void OnHelpButtonClicked(CancelEventArgs e)
        {
            // If we show the Help button but we have failed to specify where the docs are -> hide the button, and exit
            if (string.IsNullOrWhiteSpace(ManualSectionAnchorName) || string.IsNullOrWhiteSpace(ManualSectionSubfolder))
            {
                HelpButton = false;
                e.Cancel   = true;
                return;
            }

            base.OnHelpButtonClicked(e);

            string url = UserManual.UserManual.UrlFor(ManualSectionSubfolder, ManualSectionAnchorName);

            OsShellUtil.OpenUrlInDefaultBrowser(url);

            // We've handled the event
            e.Cancel = true;
        }
 private void OnRegisterGravatarClick(object sender, EventArgs e)
 {
     OsShellUtil.OpenUrlInDefaultBrowser(@"https://www.gravatar.com");
 }