How to identify different Faces on SurfaceBody with an UniqueId?

[miguel.alanis]

Currently I'm connecting an Inventor Face on a Part Document.

Applying some material and connecting to a DB.

I'm using the internal name as identifier, but I don't know if its persistent the internalname.

And if the Surfacebody change what would happen to the parts.

Also is there another way to identify a Face element on a part document.

Thanks for the help

[YuhanZhang]

The Face.InternalName is persistent until it is destroied.

Another way to retrieve a Face is to use the ReferenceKey, use the Face.GetReferenceKey and ReferenceKeyManager.KeyToString to store the ReferenceKey of a Face, then when you want to retrieve the Face use the ReferenceKeyManager.StringToKey and BindKeyToObject.

[philippe.leefsma]

As Rocky mentioned, ReferenceKeys is the way to go to identify reliably faces.

You can take a look in the APi Help Files which have a dedicated topic and the Inventor Training Material (Module 18), for samples in C# and Vb.Net.

Hope that helps,

Philippe.

[miguel.alanis]

Thanks, that a good material to start