[ Version ( since = "1.3" ) ]
public async unowned string choose (Cancellable? cancellable)
This function shows this to the user.
Use [class@AlertDialog].
| this |
a message dialog |
| cancellable |
a `GCancellable` to cancel the operation |
| callback |
a callback to call when the operation is complete |
| user_data |
data to pass to |