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Revit API过滤元素类别(FamilySymbol与FamilyInstance)

2013-10-31 13:32 288 查看
仅OfCategory()过滤的元素包含系统FamilySymbol
OfClass(typeof(FamilyInstance))过滤出来文档中族实例。
//过滤元素类别
[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
public class cmdGetCate : IExternalCommand
{
public Result Execute(ExternalCommandData cmdData, ref string msg, ElementSet elements)
{
UIDocument uiDoc = cmdData.Application.ActiveUIDocument;

Transaction ts = new Transaction(uiDoc.Document, "SetFamily");
ts.Start();

FilteredElementCollector collector = new FilteredElementCollector(uiDoc.Document);
collector.OfCategory(BuiltInCategory.OST_DuctFitting);//过滤出来系统包含的Symbol与文档包含的Instance
//collector.OfClass(typeof(FamilyInstance)).OfCategory(BuiltInCategory.OST_DuctFitting);
int iSymbol = 0;
int iFi = 0;
foreach (Element el in collector)
{
if (el is FamilySymbol)
iSymbol += 1;
else if (el is FamilyInstance)
iFi += 1;
}
TaskDialog.Show("count", iSymbol + "," + iFi);

ts.Commit();

return Result.Succeeded;
}
}url:http://greatverve.cnblogs.com/p/api-get-symbol-instance.html
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