topic Re: How to save an entity to a file in .NET Forum

How to save an entity to a file

songmaverick — Fri, 01 Sep 2023 03:14:36 GMT

I would like to save a list which including many entities to a .txt in order to read it to blockTableRecord.

I would like to serialize these entities and save to a file. But the Object is not marked as serializable..

Anyony could tell me how to solve this?

Thanks in advance!!

Re: How to save an entity to a file

kerry_w_brown — Fri, 01 Sep 2023 05:46:03 GMT

@songmaverick

Without knowing how you are making the blockTableRecord, you may be able to achieve your goal by either ;

saving the ObjectID

or the drawingName and Handle (if in a different database )

as well as any other data you need.

Frankly, it's a task that requires some planning, but the data required and the way you save the data depends on how you intend building the blockTableRecord.

Regards,

Re: How to save an entity to a file

daniel_cadext — Fri, 01 Sep 2023 10:49:34 GMT

Maybe subclass a dwgfiler / dxffiler and implement iserializable

edit, or maybe just use wblock

Re: How to save an entity to a file

ActivistInvestor — Wed, 06 Sep 2023 02:07:14 GMT

There is no 'push-button' means of serialization for AutoCAD objects. You would have to implement the entire serialization mechanism yourself, which is no small undertaking. The end result would be not much unlike a binary DXF file.

Re: How to save an entity to a file

songmaverick — Wed, 06 Sep 2023 02:18:48 GMT

Thanks !!

Yes , you are right..

I have to recode all the class and implement the serialization .

So I find a way to solve this problem, which is to save as a dwg file and open what I save .

Re: How to save an entity to a file

songmaverick — Wed, 06 Sep 2023 02:21:12 GMT

Thanks !!
Yes , you are right..
I have to recode all the class and implement the serialization but there is too much work to do.
Finally I find a way to solve this problem, which is to save these entities as a dwg file and open what I save .

Re: How to save an entity to a file

songmaverick — Wed, 06 Sep 2023 02:22:33 GMT

Thanks !!
Yes , you are right..
It is the best way to save these as a dwg file and open it