Revit二次开发之“使用ElementTransformUtils.MoveElement()移动元素”

使用ElementTransformUtils.MoveElement()移动元素，改变元素的Location属性

[Transaction(TransactionMode.Manual)]
[Regeneration(RegenerationOption.Manual)]
//[Journaling(JournalingMode.NoCommandData)]
public class cmdMoveColumn : IExternalCommand
{
    public Result Execute(ExternalCommandData cmdData, ref string message, ElementSet elements)
    {
        UIDocument uiDoc = cmdData.Application.ActiveUIDocument;
        Selection selection = uiDoc.Selection;

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

        //选择一个管件，可以转化为FamilyInstance
        Reference refelem = selection.PickObject(ObjectType.Element, "选择一个管件");
        FamilyInstance fi = uiDoc.Document.get_Element(refelem.ElementId) as FamilyInstance;
        MoveColumn(uiDoc.Document, fi);

        ts.Commit();

        return Result.Succeeded;
    }
    public void MoveColumn(Document doc, FamilyInstance column)
    {
        LocationPoint columnLocation = column.Location as LocationPoint;
        XYZ oldPlace = columnLocation.Point;
        XYZ newPlace = new XYZ(10, 20, 30);
        ElementTransformUtils.MoveElement(doc, column.Id, newPlace);
        columnLocation = column.Location as LocationPoint;
        XYZ newActual = columnLocation.Point;
        string info = "Original Z location:" + oldPlace.Z +
            "\nNew Z location:" + newActual.Z;
        TaskDialog.Show("Revit", info);
    }
    bool MoveUsingLocationCurve(UIApplication app, Wall wall)
    {
        LocationCurve wallLine = wall.Location as LocationCurve;
        XYZ translationVec = new XYZ(10, 20, 0);
        return (wallLine.Move(translationVec));
    }
    void MoveUsingCurveParam(UIApplication app, Wall wall)
    {
        LocationCurve wallLine = wall.Location as LocationCurve;
        XYZ p1 = XYZ.Zero;
        XYZ p2 = new XYZ(10, 20, 0);
        Line newWallLine = app.Application.Create.NewLineBound(p1, p2);
        wallLine.Curve = newWallLine;
    }
}

from:http://revit.5d6d.com/thread-1206-1-1.html