topic Re: Copy Entities in code in .NET Forum

Copy Entities in code

Anonymous — Mon, 04 Feb 2019 06:14:21 GMT

Hi can someone please assist me here. I'm trying to copy a entity to a new location in the drawing but I want to do this all in code. Im currently playing around with PromptSelectionResult and can successfully select the entity but i want to be able to select the location in the current model space to copy this entity to.

Can someone provide me some example code on how to do this.

Thanks in advance

Shaban.

Re: Copy Entities in code

_gile — Mon, 04 Feb 2019 17:31:12 GMT

Hi,

You'll find some examples on how to mimic the cOPY command with code reading this reply and the following ones.

Re: Copy Entities in code

Anonymous — Tue, 05 Feb 2019 04:51:34 GMT

Thank you for the links they are helpful. But i am struggling to put it all together.

I can select the entity or entities to copy but I'm failing on executing the destination location to copy to.

Can you please provide a simple code snippet of selecting the entity then copying to a new location that i select.

I'm coding in vb.net

Thanks in advance.

Shaban

Re: Copy Entities in code

_gile — Tue, 05 Feb 2019 06:41:37 GMT

Here's a simple example.

It's C# but you should be able to convert it to VB or, better, learn C# instead of VB.

        [CommandMethod("CMD")]
        public static void Cmd()
        {
            var doc = Application.DocumentManager.MdiActiveDocument;
            var db = doc.Database;
            var ed = doc.Editor;

            // prompt the user to select objects
            var psr = ed.GetSelection();
            if (psr.Status != PromptStatus.OK)
                return;

            // prompt the user to specify the base point
            var ppo = new PromptPointOptions("\nSpecify base point: ");
            var ppr = ed.GetPoint(ppo);
            if (ppr.Status != PromptStatus.OK)
                return;
            var basePt = ppr.Value;

            // prompt the user to specify the desination point
            ppo.Message = "\nSpecify destination point: ";
            ppo.BasePoint = basePt;
            ppo.UseBasePoint = true;
            ppr = ed.GetPoint(ppo);
            if (ppr.Status != PromptStatus.OK)
                return;
            var destPt = ppr.Value;

            // compute the displacement matrix
            var vect = basePt.GetVectorTo(destPt).TransformBy(ed.CurrentUserCoordinateSystem);
            var disp = Matrix3d.Displacement(vect);

            using (var tr = db.TransactionManager.StartTransaction())
            {
                // copy the selected entities
                var ids = new ObjectIdCollection(psr.Value.GetObjectIds());
                var idMap = new IdMapping(); ;
                db.DeepCloneObjects(ids, db.CurrentSpaceId, idMap, false);

                // displace the copied entities
                foreach (IdPair pair in idMap)
                {
                    if (pair.IsPrimary && pair.IsCloned)
                    {
                        Entity ent = (Entity)tr.GetObject(pair.Value, OpenMode.ForWrite);
                        ent.TransformBy(disp);
                    }
                }
                tr.Commit();
            }
        }

Re: Copy Entities in code

Anonymous — Tue, 05 Feb 2019 21:09:52 GMT

Love ya work thank you.