PlexServiceTray.AuxiliaryApplicationViewModel.OnBrowse C# (CSharp) Method

        private void OnBrowse(object parameter)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.FileName = FilePath;
            if (ofd.ShowDialog() == true)
            {
                FilePath = ofd.FileName;
                if(string.IsNullOrEmpty(WorkingFolder))
                {
                    WorkingFolder = System.IO.Path.GetDirectoryName(FilePath);
                }
            }
        }