/**
  * Create and setup QListBox lstInventoryModelCustomFieldHelper
  * @param string $strControlId optional ControlId to use
  * @param QQCondition $objConditions override the default condition of QQ::All() to the query, itself
  * @param QQClause[] $objOptionalClauses additional optional QQClause object or array of QQClause objects for the query
  * @return QListBox
  */
 public function lstInventoryModelCustomFieldHelper_Create($strControlId = null, QQCondition $objCondition = null, $objOptionalClauses = null)
 {
     $this->lstInventoryModelCustomFieldHelper = new QListBox($this->objParentObject, $strControlId);
     $this->lstInventoryModelCustomFieldHelper->Name = QApplication::Translate('Inventory Model Custom Field Helper');
     $this->lstInventoryModelCustomFieldHelper->AddItem(QApplication::Translate('- Select One -'), null);
     // Setup and perform the Query
     if (is_null($objCondition)) {
         $objCondition = QQ::All();
     }
     $objInventoryModelCustomFieldHelperCursor = InventoryModelCustomFieldHelper::QueryCursor($objCondition, $objOptionalClauses);
     // Iterate through the Cursor
     while ($objInventoryModelCustomFieldHelper = InventoryModelCustomFieldHelper::InstantiateCursor($objInventoryModelCustomFieldHelperCursor)) {
         $objListItem = new QListItem($objInventoryModelCustomFieldHelper->__toString(), $objInventoryModelCustomFieldHelper->InventoryModelId);
         if ($objInventoryModelCustomFieldHelper->InventoryModelId == $this->objInventoryModel->InventoryModelId) {
             $objListItem->Selected = true;
         }
         $this->lstInventoryModelCustomFieldHelper->AddItem($objListItem);
     }
     // Because InventoryModelCustomFieldHelper's InventoryModelCustomFieldHelper is not null, if a value is already selected, it cannot be changed.
     if ($this->lstInventoryModelCustomFieldHelper->SelectedValue) {
         $this->lstInventoryModelCustomFieldHelper->Enabled = false;
     }
     // Return the QListBox
     return $this->lstInventoryModelCustomFieldHelper;
 }