Types View Preferences
You can configure the Types View contents from menu Window > Preferences > e Language > Types View.

-
Show parent. Default is false. If set, you see the parent in struct nodes.
-
Show events. Default is false. If set, you see the events in struct nodes (besides fields and methods).
-
Show struct layer info. Default is false. If set, you see extension info by struct members (in which when layer it was defined).