GtkDropDown::activate

since: 4.6

void
activate (
  GtkDropDown* self,
  gpointer user_data
)

Emitted to when the drop down is activated.

The ::activate signal on GtkDropDown is an action signal and emitting it causes the drop down to pop up its dropdown.

Default handler:

The default handler is called before the handlers added via g_signal_connect().

Signal can be directly emitted on objects from user code

Available since: 4.6