https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055978#M2445 <P>Cloning any DBObject produces a new object that is not in any Database. A DBObject cannot have an ObjectId unless it is added to a Database. You can call BlockTableRecord.AppendEntity() and pass it a new object (such as the one returned by calling Clone()), and it will append the entity to the BlockTableRecord and assign an ObjectId to it.</P><P>&nbsp;</P><P>You can also use Database.DeepCloneObjects() to clone existing entities to a new owner or to the same owner, and that API will take care of adding the clones to the Database/owner., and assigning them ObjectIds.</P><P>&nbsp;</P><P>You can search this group for 'DeepCloneObjects' to find examples of its use, or wait for someone to write one for you (sorry, I don't have time for that).</P> Mon, 30 Sep 2024 23:26:26 GMT ActivistInvestor 2024-09-30T23:26:26Z https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055860#M2444 <P>Is it possible to clone a polyline so that it has a new objectId?</P> Mon, 30 Sep 2024 21:45:42 GMT https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055860#M2444 p_jones2_1983 2024-09-30T21:45:42Z https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055978#M2445 <P>Cloning any DBObject produces a new object that is not in any Database. A DBObject cannot have an ObjectId unless it is added to a Database. You can call BlockTableRecord.AppendEntity() and pass it a new object (such as the one returned by calling Clone()), and it will append the entity to the BlockTableRecord and assign an ObjectId to it.</P><P>&nbsp;</P><P>You can also use Database.DeepCloneObjects() to clone existing entities to a new owner or to the same owner, and that API will take care of adding the clones to the Database/owner., and assigning them ObjectIds.</P><P>&nbsp;</P><P>You can search this group for 'DeepCloneObjects' to find examples of its use, or wait for someone to write one for you (sorry, I don't have time for that).</P> Mon, 30 Sep 2024 23:26:26 GMT https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055978#M2445 ActivistInvestor 2024-09-30T23:26:26Z https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055997#M2446 <P>i can code i just needed to know the procedure. thanks for the advice and will give it a try.</P> Mon, 30 Sep 2024 23:40:25 GMT https://forums.autodesk.com/t5/net-forum/clone-a-polyline-with-a-new-objectid/m-p/13055997#M2446 p_jones2_1983 2024-09-30T23:40:25Z