I am agree with Henrico.

In SQL Books Online in the section 'How to: Create a Database Snapshot (Transact-SQL)'you can find that: ...

... The only way to create a snapshot is to use Transact-SQL

But SSMS can helps you to create/run/debug T-SQL code xor...? Therefore I am also meaning that this question has no definite answer. In my opinion 'It depends' seems to be most correct answer.;-)