connectSetupMenu
fun connectSetupMenu(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (page: TabPage?) -> Unit): <Error class: unknown class>
Emitted when a context menu is opened or closed for @page.
If the menu has been closed, @page will be set to NULL.
It can be used to set up menu actions before showing the menu, for example disable actions not applicable to @page.
Parameters
connectFlags
A combination of ConnectFlags
handler
the Callback to connect. Params: page a page of @self