public ImportMessageBox()
        {
            ImportButton      = AddButton(1, 2, ImportClick);
            ImportButton.text = NodeMarkup.Localize.Settings_Restore;
            ImportButton.Disable();
            CancelButton      = AddButton(2, 2, CancelClick);
            CancelButton.text = NodeMarkup.Localize.Settings_Cancel;

            AddFileList();
        }
 private void DropDownIndexChanged(UIComponent component, int value)
 {
     if (DropDown.SelectedObject != null)
     {
         ImportButton.Enable();
     }
     else
     {
         ImportButton.Disable();
     }
 }