private void RegresarMenu()
 {
     MainWindow principal = new MainWindow();
     principal.ShowDialog();
   //  this.Dispose();
     this.CurrentWindow.Close();
 }
 public void Cancelar()
 {
     MainWindow main = new MainWindow();
     main.ShowDialog();
     CurrentWindow.Close();            
    // this.Dispose();
 }
 private void RegresarMenu()
 {
     this.CurrentWindow.Close();
     MainWindow main = new MainWindow();
     main.ShowDialog();
 }