Revit API导出GBXML

GBXML是一种中间数据。

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

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

        GBXMLExportOptions exportOption = new GBXMLExportOptions();
        doc.Export(@"D:\", "hi123.xml", exportOption);

        ts.Commit();

        return Result.Succeeded;
    }
}

from:http://revit.5d6d.com/thread-1377-1-1.html