Revit二次开发--为新建的Level创建对应的视图

使用API创建标高之后，Revit不会自动创建对应的视图，可以使用ViewPlan.Create函数创建对应的视图：
public static ViewPlan Create(Document document, ElementId viewFamilyTypeId, ElementId levelId）
测试代码如下：

	 UIDocument uiDoc = commandData.Application.ActiveUIDocument;
        Document doc = uiDoc.Document;

        FilteredElementCollector colletorLevel = new FilteredElementCollector(doc);
        Element elemLevel = colletorLevel.OfClass(typeof(Level)).FirstElement();
        Level level = null;
        //新建标高level
        using (Transaction trans = new Transaction(doc))
        {
            trans.Start("Create Level");
            level = Level.Create(doc, UnitUtils.ConvertToInternalUnits(3.6 , DisplayUnitType.DUT_METERS));
            level.Name = "标高 2";
            trans.Commit();
        }

        FilteredElementCollector collectorViewFamilyType = new FilteredElementCollector(doc);
        IList<Element> viewFamilyTypes = collectorViewFamilyType.OfClass(typeof(ViewFamilyType)).ToElements();
        foreach (Element elem in viewFamilyTypes)
        {
            ViewFamilyType viewFamilyType = elem as ViewFamilyType;
            if (viewFamilyType.ViewFamily == ViewFamily.CeilingPlan || viewFamilyType.ViewFamily == ViewFamily.FloorPlan)
            {
                using (Transaction trans = new Transaction(doc))
                {
                    trans.Start("Create ViewPlan");
                    ViewPlan viewPlan = ViewPlan.Create(doc, viewFamilyType.Id, level.Id);//为新建的标高创建对应的视图
                    trans.Commit();
                }
            }
        }