//============代码片段4-1 修改标高的基面============

ElementId levelId=new ElementId(311);

Element element= RevitDoc.GetElement(levelId);

Level level= element as Level;

LevelType levelType = RevitDoc.GetElement(level.GetTypeId()) as LevelType;

Parameter relativeBaseType = levelType.get_Parameter(BuiltInParameter.LEVEL_RELATIVE_BASE_TYPE);

relativeBaseType.Set(1); //项目基点 = 0, 测量点 = 1

//============代码片段4-2 创建标高============

Document document = revit.Application.ActiveUIDocument.Document;

using (Transaction transaction = new Transaction(document))

{

     transaction.Start(" Level");

    Level level = Level.(document, 10.0);

    transaction.Commit();

}

//============代码片段4-3 创建标高对应的视图============

Level level; //已知的标高

//过滤出所有的ViewFamilyType

var classFilter = new ElementClassFilter(typeof(ViewFamilyType));

FilteredElementCollector filteredElements = new FilteredElementCollector(RevitDoc);

filteredElements = filteredElements.Passes(classFilter);

foreach (ViewFamilyType viewFamilyType in filteredElements)

{

   //找到ViewFamily类型是FloorPlan或者CeilingPlan的ViewFamilyType

   if (viewFamilyType.ViewFamily == ViewFamily.FloorPlan ||

      viewFamilyType.ViewFamily == ViewFamily.CeilingPlan)

   {

      transaction.Start(" view of type " + viewFamilyType.ViewFamily);

      //创建视图

      ViewPlan view = ViewPlan.(RevitDoc, viewFamilyType.Id, level.Id);

      transaction.Commit();

   }

}

//============代码片段4-4 创建轴网============

using (Transaction transaction = new Transaction(RevitDoc))

{

   transaction.Start(" Grid");

   Grid grid = RevitDoc..NewGrid(

      Line.Bound(new XYZ(0, 0, 0), new XYZ(10, 10, 0)));

   grid.Name = "BB";

   transaction.Commit();

}