Web.Config vs. Ap.Config Findings

Goal: when are changes to config file picked up automagically?

∆ Web.Config (a) ∆ App.Config (b)

Simple KVP∆
(a) Picked up
(b) Not picked/up

∆ Web.config
(a) appSettings file value Picked up
(b) (hot swappable)

Recycle Ap Pool
(a) Picked up
(b) Picked up