Show Help

You can use Help.ShowHelp(). also you can use helpProvider get parameter such as helpProvider.getHelpKeyword and then call browser to pass a URL to it.

        private void ExecUrl(string url)
        {
            ProcessStartInfo startInfo = new ProcessStartInfo("IExplore.exe");
            startInfo.WindowStyle = ProcessWindowStyle.Maximized

            startInfo.Arguments = url;
            Process.Start(startInfo);
        }