GitUI.CommandsDialogs.FormBrowse.OpenOnClick C# (CSharp) Метод

        public void OpenOnClick(object sender, EventArgs e)
        {
            try
            {
                var fileName = SaveSelectedItemToTempFile();
                if (fileName != null)
                    Process.Start(fileName);
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }