[ Version ( since = "2.20" ) ]
public void set_icon_from_gicon (Icon? gicon, int size)
Sets the icon of the tooltip (which is in front of the text) to be the icon indicated by gicon with the size indicated by
size.
If gicon is null, the image will be hidden.
| this |
a `GtkTooltip` |
| gicon |
a `GIcon` representing the icon |