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//Wird einmalig aufgerufen
      public static bool retrieveMenuStrip(ref MenuStrip menuStrip)
      {
         try
         {
            if (menuStrip == null) return false;
            menuStrip.Items.Clear();                      
            XDocument xDoc = XDocument.Load(menueListConfigurationFile);            
            XName b = standardXMLNameSpace + "Menu";
            var menuQuery = from menuItem in xDoc.Element(b).DescendantsAndSelf()
                            select menuItem;
            if (menuQuery.Count().Equals(0)) throw new Exception("Menu is not defined. Please check the definition file.");
            ToolStripMenuItem newItem = new ToolStripMenuItem("DUMMY");
            //Lookup the XML recursively and retrieve the menu-structure 
            if (!getMenuStructure(menuQuery.ElementAt(0), ref newItem)) return false;
            menuStrip.Items.Add(newItem);            

            return true;
         }
         catch (Exception ex)
         {
            throw new Exception("retrieveMenuStrip", ex);
         }
      }

//Stellt die Rekursion dar
      private static bool getMenuStructure(XElement menuElement, ref ToolStripMenuItem menuStripItem)
      {
         try
         {                    
            foreach (XElement subElement in menuElement.Descendants())
            {
               ToolStripMenuItem newStripItem = new ToolStripMenuItem();    
               if (subElement.Name.LocalName.Equals("MenuElement"))
               {
                  //add sub-ordered menuItem       
                  newStripItem.Name = subElement.Attribute("MenuName").Value;
                  newStripItem.Tag = "SUBMENU";
                  newStripItem.Text = subElement.Name.LocalName;
                  if (!getMenuStructure(subElement, ref newStripItem)) return false;                  
               }
               else if (subElement.Name.LocalName.Equals("Form"))
               {
                  //add link to a form
                  newStripItem.Name = subElement.Attribute("FormName").Value;
                  newStripItem.DisplayStyle = ToolStripItemDisplayStyle.Text;
                  newStripItem.Tag = "FORM";
                  newStripItem.Text = subElement.Attribute("Title").Value;
               }
               else
               {
                  continue;
               }
               menuStripItem.DropDown.Items.Add(newStripItem);   
            }
            return true;
         }
         catch (Exception ex)
         {
            throw new Exception("getMenuStructure", ex);
         }
      }					

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<?xml version="1.0" encoding="utf-8" ?>
<Menu>
   <MenuElement MenuName="Start">
      <Form FormName="TracesForm" Title="Traces"/>
      <MenuElement MenuName="SubMenue1">
         <MenuElement MenuName="SubSubMenue1">
            <Form FormName="AlarmsForm" Title="Alarms"/>
         </MenuElement>
         <MenuElement MenuName="SubSubMenue2"></MenuElement>
      </MenuElement>
      <MenuElement MenuName="Edit">
         <MenuElement MenuName="First">            
         </MenuElement>
         <MenuElement MenuName="Second">            
         </MenuElement>
         <MenuElement MenuName="Third">
            <Form FormName="TestForm" Title="Test 1"/>
            <Form FormName="TestGridForm" Title="Grid 1"/>
            <Form FormName="TestGridForm" Title="Grid 2"/>
         </MenuElement>
      </MenuElement>
   </MenuItem>   
</Menu>					

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private static void getMenuStructure(XElement menuElement, ref ToolStripMenuItem menuStripItem)
      {
         try
         {
            if (!menuElement.HasElements)
            {               
               if (menuElement.Name.LocalName.Equals("Form"))
               {                  
                  addFormItemToMenuStripItem(menuElement, menuStripItem);//add link to a form
               }
               else if (menuElement.Name.LocalName.Equals("MenuElement"))
               {                            
                  addMenuItemToMenuStripItem(menuElement, menuStripItem);//add sub-ordered menuItem     
               }
            }
            else
            {
               ToolStripMenuItem newStripItem = addMenuItemToMenuStripItem(menuElement, menuStripItem);               
               foreach (XElement subElement in menuElement.Elements())
               {
                  getMenuStructure(subElement, ref newStripItem);
               }               
            }
         }
         catch (Exception ex)
         {
            throw new Exception("getMenuStructure", ex);
         }
      }

      private static ToolStripMenuItem addFormItemToMenuStripItem(XElement menuElement, ToolStripMenuItem menuStripItem)
      {
         ToolStripMenuItem newStripItem = new ToolStripMenuItem();
         newStripItem.Name = menuElement.Attribute("FormName").Value;
         newStripItem.DisplayStyle = ToolStripItemDisplayStyle.Text;
         newStripItem.Tag = "FORM";
         newStripItem.Text = menuElement.Attribute("Title").Value;
         menuStripItem.DropDown.Items.Add(newStripItem);
         return newStripItem;
      }

      private static ToolStripMenuItem addMenuItemToMenuStripItem(XElement menuElement, ToolStripMenuItem menuStripItem)
      {
         ToolStripMenuItem newStripItem = new ToolStripMenuItem();
         newStripItem.Name = menuElement.Attribute("MenuName").Value;
         newStripItem.Tag = "SUBMENU";
         newStripItem.Text = newStripItem.Name;
         menuStripItem.DropDown.Items.Add(newStripItem);
         return newStripItem;
      }