GCMouse.DidConnectMessage
A message that posts after a mouse accessory connects to the device.
Declaration
struct DidConnectMessageOverview
Use the didConnect identifier with NotificationCenter to listen for this message.
let observation = NotificationCenter.default.addObserver(of: GCMouse.self, for: .didConnect) { message in
let mouse = message.mouse
}Connections of mouse accessories will be reflected in the mice array of the GCMouse class when the message posts.