How to call macro from C# code ?

private void RunMacro(Application xlApp, Workbook xlWB, string MacroName, out string status)
       {
           Worksheet xlWS;
           status = string.Empty;
           if (xlApp != null)
           {

               xlWS = (Excel.Worksheet)xlWB.Worksheets.get_Item("Sheet1");// .get_Item(paramsExcelOperatios.WorksheetNo);
               if (MacroName != String.Empty)
               {
                   xlWS.GetType().InvokeMember("Run", System.Reflection.BindingFlags.Default | System.Reflection.BindingFlags.InvokeMethod, null, xlApp, new Object[] { MacroName });

               }
               else
               {
                   status = "Failure - Macro name should not be empty";
               }

           }
           else
           {
               status = "Failure - Worksheet name is not valid.";
           }
       }