public Result Execute(ExternalCommandData commandData,
ref string messege,
ElementSet elements)
{
UIApplication uiApp = commandData.Application;
Document doc = uiApp.ActiveUIDocument.Document;
try
{
Reference faceRef = uiApp.ActiveUIDocument.Selection.PickObject(ObjectType.Face
, new PlanarFacePickFilter(doc), "Please pick a planar face to set the work plane. ESC for cancel");
GeometryObject geomObject = doc.GetElement(faceRef).GetGeometryObjectFromReference(faceRef);
PlanarFace pf = geomObject as PlanarFace;
using (Transaction t = new Transaction(doc, "SetWorkPlane"))
{
t.Start("SetWorkPlane");
doc.ActiveView.SketchPlane = SketchPlane.Create(doc, pf.GetSurface() as Plane);
t.Commit();
}
return(Result.Succeeded);
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException)
{
return(Result.Cancelled);
}
catch (Exception ex)
{
messege = ex.Message;
return(Result.Failed);
}
}
