[ Version ( since = "2.4" ) ]
public void set_visible_vertical (bool visible_vertical)
Sets whether this is visible when the toolbar is docked vertically.
Some tool items, such as text entries, are too wide to be useful on a vertically docked toolbar. If visible_vertical is
false this will not appear on toolbars that are docked vertically.
| this |
a ToolItem |
| visible_vertical |
whether this is visible when the toolbar is in vertical mode |