/// <summary>
        /// Show more items in new dialog.
        /// </summary>
        /// <param name="sender">Event sender.</param>
        /// <param name="e">Event arguments.</param>
        private void ButtonBrowse_Click(object sender, RoutedEventArgs e)
        {
            MultipleSelectionDialog multipleSelectionDialog = new MultipleSelectionDialog();

            multipleSelectionDialog.Title = this.multipleValueButton.ToolTip.ToString();
            multipleSelectionDialog.listboxParameter.ItemsSource = comboxParameter.ItemsSource;
            multipleSelectionDialog.ShowDialog();

            if (multipleSelectionDialog.DialogResult != true)
            {
                return;
            }

            StringBuilder newComboText = new StringBuilder();

            foreach (object selectedItem in multipleSelectionDialog.listboxParameter.SelectedItems)
            {
                newComboText.AppendFormat(CultureInfo.InvariantCulture, "{0},", selectedItem.ToString());
            }

            if (newComboText.Length > 1)
            {
                newComboText.Remove(newComboText.Length - 1, 1);
            }

            comboxParameter.Text = newComboText.ToString();
        }
        /// <summary>
        /// Show more items in new dialog
        /// </summary>
        /// <param name="sender">event sender</param>
        /// <param name="e">event arguments</param>
        private void ButtonBrowse_Click(object sender, RoutedEventArgs e)
        {
            MultipleSelectionDialog multipleSelectionDialog = new MultipleSelectionDialog();
            multipleSelectionDialog.Title = this.multipleValueButton.ToolTip.ToString();
            multipleSelectionDialog.listboxParameter.ItemsSource = comboxParameter.ItemsSource;
            multipleSelectionDialog.ShowDialog();

            if (multipleSelectionDialog.DialogResult != true)
            {
                return;
            }

            StringBuilder newComboText = new StringBuilder();

            foreach (object selectedItem in multipleSelectionDialog.listboxParameter.SelectedItems)
            {
                newComboText.AppendFormat(CultureInfo.InvariantCulture, "{0},", selectedItem.ToString());
            }

            if (newComboText.Length > 1)
            {
                newComboText.Remove(newComboText.Length - 1, 1);
            }

            comboxParameter.Text = newComboText.ToString();
        }