hi, how to query all ecclasses in an imodel?

[shenshengyi]

hi, how to query all ecclasses in an imodel? thanks.
I want to get some user-defined classes. I need to get all ecclasses first, and then filter them according to some rules.

[grigasp]

You can use the ECDbMeta ECSchema for that:

SELECT * FROM meta.ECClassDef

[shenshengyi]

Thank you very much, your answer helped me a lot