void SetItemType(RadioButtonsSourceType type)
 {
     switch(type)
     {
         case RadioButtonsSourceType.String:
             elements.GetItemTypeComboBox().SelectItemByName("StringsComboBoxItem");
             break;
         case RadioButtonsSourceType.RadioButton:
             elements.GetItemTypeComboBox().SelectItemByName("RadioButtonElementsComboBoxItem");
             break;
     }
 }