Pops up the menu of combo_box.
Note that currently this does not do anything with the device, as it was previously only used for list-mode combo boxes, and those were removed in GTK 4. However, it is retained in case similar functionality is added back later.
a gdk.device.Device
Deprecated: Use gtk.drop_down.DropDown
Pops up the menu of combo_box.
Note that currently this does not do anything with the device, as it was previously only used for list-mode combo boxes, and those were removed in GTK 4. However, it is retained in case similar functionality is added back later.