Pops up the menu or dropdown list of combo_box.
This function is mostly intended for use by accessibility technologies; applications should have little use for it.
Before calling this, combo_box must be mapped, or nothing will happen.
Deprecated: Use gtk.drop_down.DropDown
Pops up the menu or dropdown list of combo_box.
This function is mostly intended for use by accessibility technologies; applications should have little use for it.
Before calling this, combo_box must be mapped, or nothing will happen.