BuildingCoder.CmdPressKeys.GetFirstWallTypeNamed C# (CSharp) Method

        static WallType GetFirstWallTypeNamed(
            Document doc,
            string name)
        {
            // built-in parameter storing this
              // wall type's name:

              BuiltInParameter bip
            = BuiltInParameter.SYMBOL_NAME_PARAM;

              ParameterValueProvider provider
            = new ParameterValueProvider(
              new ElementId( bip ) );

              FilterStringRuleEvaluator evaluator
            = new FilterStringEquals();

              FilterRule rule = new FilterStringRule(
            provider, evaluator, name, false );

              ElementParameterFilter filter
            = new ElementParameterFilter( rule );

              FilteredElementCollector collector
            = new FilteredElementCollector( doc )
              .OfClass( typeof( WallType ) )
              .WherePasses( filter );

              return collector.FirstElement() as WallType;
        }