Revit API创建标注NewTag

start

 
  /// 
    
  <summary> 
  
 
  /// 
   创建水管管径标注
 
  /// 
    
  </summary> 
  
[Transaction(TransactionMode.Manual)] 
  
 
  public  
  class CreatPipeDiameterTag : IExternalCommand 
  
{ 
  
     
  #region IExternalCommand Members 
  
 
  
     
  public Result Execute(ExternalCommandData commandData,  
  ref  
  string message, ElementSet elements) 
  
    { 
  
        UIDocument uiDoc = commandData.Application.ActiveUIDocument; 
  
        Document doc = uiDoc.Document; 
  // 
  当前活动文档 
  
        Autodesk.Revit.DB.View view = uiDoc.ActiveView; 
  // 
  当前活动视图 
  
        Selection sel = uiDoc.Selection; 
  // 
  选择集 
  
        Transaction ts =  
  new Transaction(doc,  
  " 
  水管管径标记 
  "); 
  
         
  try 
  
        { 
  
            ts.Start(); 
  
            PipeSelectionFilter psf =  
  new PipeSelectionFilter(doc); 
  
            Reference refer = sel.PickObject(ObjectType.Element, psf,  
  " 
  请选择要标注的水管: 
  "); 
  
            Pipe pipe = doc.GetElement(refer)  
  as Pipe; 
  
             
  if (pipe ==  
  null) 
  
            { 
  
                ts.Dispose(); 
  
                TaskDialog.Show( 
  " 
  RevitMassge 
  ",  
  " 
  没有选中水管 
  "); 
  
                 
  return Result.Failed; 
  
            } 
  
             
  // 
  Define tag mode and tag orientation for new tag 
  
            TagMode tageMode = TagMode.TM_ADDBY_CATEGORY; 
  
            TagOrientation tagOri = TagOrientation.Horizontal; 
  
             
  // 
  Add the tag to the middle of duct 
  
            LocationCurve locCurve = pipe.Location  
  as LocationCurve; 
  
            XYZ pipeMid = locCurve.Curve.Evaluate( 
  0.275,  
  true); 
  
            IndependentTag tag = doc.Create.NewTag(view, pipe,  
  false, tageMode, tagOri, pipeMid); 
  
             
  // 
  遍历类型 
  
            FilteredElementCollector filterColl = GetElementsOfType(doc,  
  typeof(FamilySymbol), BuiltInCategory.OST_PipeTags); 
  
             
  // 
  WinFormTools.MsgBox(filterColl.ToElements().Count.ToString()); 
  
             
  int elId =  
  0; 
  
             
  foreach (Element el  
  in filterColl.ToElements()) 
  
            { 
  
                 
  if (el.Name ==  
  " 
  管道尺寸标记 
  ") 
  
                    elId = el.Id.IntegerValue; 
  
            } 
  
            tag.ChangeTypeId( 
  new ElementId(elId)); 
  
            ElementId eId =  
  null; 
  
             
  if (tag ==  
  null) 
  
            { 
  
                ts.Dispose(); 
  
                TaskDialog.Show( 
  " 
  RevitMassge 
  ",  
  " 
  创建标注失败！ 
  "); 
  
                 
  return Result.Failed; 
  
            } 
  
            ICollection<ElementId> eSet = tag.GetValidTypes(); 
  
             
  foreach (ElementId item  
  in eSet) 
  
            { 
  
                 
  if (item.IntegerValue ==  
  532753) 
  
                { 
  
                    eId = item; 
  
                } 
  
            } 
  
            tag = doc.get_Element(eId)  
  as IndependentTag; 
  
        } 
  
         
  catch (Exception) 
  
        { 
  
            ts.Dispose(); 
  
             
  return Result.Cancelled; 
  
        } 
  
        ts.Commit(); 
  
 
  
         
  return Result.Succeeded; 
  
    } 
  
    FilteredElementCollector GetElementsOfType(Document doc, Type type, BuiltInCategory bic) 
  
    { 
  
        FilteredElementCollector collector =  
  new FilteredElementCollector(doc); 
  
 
  
        collector.OfCategory(bic); 
  
        collector.OfClass(type); 
  
 
  
         
  return collector; 
  
    } 
  
     
  #endregion 
  
} 
  
 
  
 
  
 
  /// 
    
  <summary> 
  
 
  /// 
  水管选择过滤器
 
  /// 
    
  </summary> 
  
 
  public  
  class PipeSelectionFilter : ISelectionFilter 
  
{ 
  
     
  #region ISelectionFilter Members 
  
 
  
    Document doc =  
  null; 
  
     
  public PipeSelectionFilter(Document document) 
  
    { 
  
        doc = document; 
  
    } 
  
 
  
     
  public  
  bool AllowElement(Element elem) 
  
    { 
  
         
  return elem  
  is Pipe; 
  
    } 
  
 
  
     
  public  
  bool AllowReference(Reference reference, XYZ position) 
  
    { 
  
         
  return doc.GetElement(reference)  
  is Pipe; 
  
    } 
  
 
  
     
  #endregion 
  
} 
 

end