void recentfile_Click(object sender, RoutedEventArgs e)
{
MenuItem clickeditem = sender as MenuItem;
_recentitemclick(clickeditem.Header.ToString()); // calling external subscribed function on click of a recent item
//MessageBox.Show("Opening..." + clickeditem.Header);
//FileOpenCommand fopen =new BlueSky.Commands.File.FileOpenCommand();
//fopen.FileOpen(clickeditem.Header.ToString());
}