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通过文件路径载入族
并点击任意一点创建实例
代码如下：
using Autodesk.Revit.Attributes; using Autodesk.Revit.DB; using
Autodesk.Revit.DB.Structure; using Autodesk.Revit.UI; using System; using
System.Collections.Generic; using System.IO; using System.Linq; using
System.Text; using System.Threading.Tasks; namespace loadingFamily {
[TransactionAttribute(TransactionMode.Manual)] public class Class1 :
IExternalCommand { UIDocument uIDocument = null; UIApplication uIApplication =
null; Document document = null; public Result Execute(ExternalCommandData
commandData, ref string message, ElementSet elements) { UIApplication uiApp =
commandData.Application; uIDocument = uiApp.ActiveUIDocument; uIApplication =
uIDocument.Application; document = uIDocument.Document; using (Transaction
transaction = new Transaction(document, "创建族")) { transaction.Start();
FamilyInstance familyInstance = CreateFamilyInstance(); transaction.Commit();
TransactionStatus status = transaction.GetStatus(); if
(status.Equals(TransactionStatus.Committed)) { TaskDialog.Show("提示", "创建成功！");
} } return Result.Succeeded; } /// <summary> /// 载入族 /// </summary> /// <param
name="path">文件路径</param> /// <returns></returns> public Family
LoadFamily(string path) { bool result = document.LoadFamily(path, out Family
family); if (result == false) { //获取文件信息 FileInfo fileInfo = new
FileInfo(path); //获取文件名 集装箱式宿舍.rfa String fileName = fileInfo.Name; //取到.的位置
int num = fileName.IndexOf("."); //取到 集装箱式宿舍 fileName = fileName.Substring(0,
num); //过滤族类型 FilteredElementCollector collector = new
FilteredElementCollector(document); //FamilySymbol symbol =
collector.OfClass(typeof(FamilySymbol)).Where(x => (x as
FamilySymbol).FamilyName.Equals(fileName)).FirstOrDefault() as FamilySymbol;
IList<Element> elements = collector.OfClass(typeof(FamilySymbol)).ToElements();
FamilySymbol symbol = null; //过滤出 集装箱式宿舍 foreach (var item in elements) {
symbol = item as FamilySymbol; if (symbol.FamilyName.Equals(fileName)) { break;
} } family = symbol.Family; } return family; } /// <summary> /// 创建实例 ///
</summary> /// <returns></returns> public FamilyInstance CreateFamilyInstance()
{ //选择点 XYZ xyz = uIDocument.Selection.PickPoint(); //载入族 Family family =
LoadFamily(@"D:\Guo\revit\构件坞\集装箱式宿舍.rfa"); //获取族类型 ISet<ElementId> ids =
family.GetFamilySymbolIds(); ElementId id = ids.FirstOrDefault(); FamilySymbol
familySymbol = document.GetElement(id) as FamilySymbol; //symbol 是否激活 if
(!familySymbol.IsActive) { familySymbol.Activate(); } //获取标高 View view =
uIDocument.ActiveView; Level level = view.GenLevel; //创建实例 FamilyInstance
familyInstance = document.Create.NewFamilyInstance(xyz, familySymbol, level,
StructuralType.NonStructural); return familyInstance; } } }