Revit API修改链接文件房间边界

start

[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class cmd : IExternalCommand
{
    public Result Execute(ExternalCommandData cmdData, ref string msg, ElementSet elements)
    {
        UIDocument uiDoc = cmdData.Application.ActiveUIDocument;
        UIApplication uiApp = cmdData.Application;
        Document doc = uiDoc.Document;
        Selection selection = uiDoc.Selection;

        Transaction ts = new Transaction(doc, "http://revit.5d6d.com");
        ts.Start();

        FilteredElementCollector collector = new FilteredElementCollector(doc);//
        collector.OfClass(typeof(Instance)).OfCategory(BuiltInCategory.OST_RvtLinks);//RevitLinkType
        foreach (Element elLink in collector)
        {
            Instance ins = elLink as Instance;
            RevitLinkType linkType = doc.get_Element(ins.GetTypeId()) as RevitLinkType;
            Parameter p = linkType.get_Parameter(BuiltInParameter.WALL_ATTR_ROOM_BOUNDING);
            p.Set();//设置房间边界
        }

        ts.Commit();

        return Result.Succeeded;
    }
    /// <summary>
    /// 取得链接文件路径
    /// </summary>
    /// <param name="doc"></param>
    /// <returns></returns>
    public List<string> GetLinkFilePaths(Document doc)
    {
        List<string> listPath = new List<string>();
        foreach (ElementId elId in ExternalFileUtils.GetAllExternalFileReferences(doc))
        {
            if (doc.get_Element(elId).IsExternalFileReference())
            {
                ExternalFileReference fileRef = doc.get_Element(elId).GetExternalFileReference();
                if (ExternalFileReferenceType.RevitLink == fileRef.ExternalFileReferenceType)
                    listPath.Add(ModelPathUtils.ConvertModelPathToUserVisiblePath(fileRef.GetAbsolutePath()));
            }
        }
        return listPath;
    }
}

url:http://greatverve.cnblogs.com/p/revit-api-room-bounding.html