Sets the icon of the tooltip (which is in front of the text) to be the icon indicated by icon_name with the size indicated by size. If icon_name is NULL, the image will be hidden. Since 2.14
an icon name, or NULL. [allow-none]
a stock icon size. [type int]
See Implementation
Sets the icon of the tooltip (which is in front of the text) to be the icon indicated by icon_name with the size indicated by size. If icon_name is NULL, the image will be hidden. Since 2.14