connectExtraDragDrop
fun connectExtraDragDrop(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (page: TabPage, <Error class: unknown class>) -> Boolean): <Error class: unknown class>
This signal is emitted when content is dropped onto a tab.
The content must be of one of the types set up via method@TabBar.setup_extra_drop_target.
See signal@Gtk.DropTarget::drop.
Parameters
connectFlags
A combination of ConnectFlags
handler
the Callback to connect. Params: page the page matching the tab the content was dropped onto; value the GValue being dropped. Returns whether the drop was accepted for @page