Revit二次开发之“创建空间Newspace”

这里涉及到一些专业知识，没有成功，但是代码是从示例中取出来的，示例可以创建空间。
有时间再研究，先记录下来。

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

        try
        {
            Transaction ts = new Transaction(uiDoc.Document, "space");
            ts.Start();

            //Level
            Level level = null;
            FilteredElementIterator levelsIterator = (new FilteredElementCollector(uiDoc.Document)).OfClass(typeof(Level)).GetElementIterator();
            levelsIterator.Reset();
            while (levelsIterator.MoveNext())
            {
                level = levelsIterator.Current as Level;
                break;
            }

            //Phase面域
            Parameter para = uiDoc.Document.ActiveView.get_Parameter(BuiltInParameter.VIEW_PHASE);
            ElementId phaseId = para.AsElementId();
            Phase phase = uiDoc.Document.get_Element(phaseId) as Phase;

            if (phase == null)
            {
                System.Windows.Forms.MessageBox.Show("The phase of the active view is null, you can't create spaces in a null phase");
            }

            //CreateSpace
            if (uiDoc.Document.ActiveView.ViewType == ViewType.FloorPlan)
            {
                uiDoc.Document.Create.NewSpaces(level, phase, uiDoc.ActiveView);
            }
            else
            {
                System.Windows.Forms.MessageBox.Show("You can not create spaces in this plan view");
            }

            ts.Commit();
        }
        catch (Exception ex)
        {
            TaskDialog.Show("ex", ex.ToString());
        }

        return Result.Succeeded;
    }
}

from:http://revit.5d6d.com/thread-1252-1-1.html