onInvalidateContents
open fun onInvalidateContents( connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: () -> Unit): <Error class: unknown class>(source)
Emitted when the contents of the @paintable change.
Examples for such an event would be videos changing to the next frame or the icon theme for an icon changing.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect