private void chkReadLiquidation_Checked(object sender, RoutedEventArgs e) { try { chkReadLiquidation.IsEnabled = false; pnlReadLiquidationContent.Children.Clear(); CReadBasedLiquidation objReadBasedLiquidation = new CReadBasedLiquidation(); pnlReadLiquidationContent.Children.Add(objReadBasedLiquidation); objReadBasedLiquidation.Margin = new Thickness(0); } finally { chkReadLiquidation.IsEnabled = true; } }