a [gtk.app_chooser_dialog.AppChooserDialog].
AppChooserButton.showDialogItem
bool showDialogItem() @propertyGet showDialogItem property.
Returns
Determines whether the dropdown menu shows an item to open
void showDialogItem(bool propval) @propertySet showDialogItem property.
Parameters
propval | Determines whether the dropdown menu shows an item to open a [gtk.app_chooser_dialog.AppChooserDialog]. |