Sets the icon shown in the entry at the specified position from the current icon theme.
If the icon name isn’t known, a “broken image” icon will be displayed instead.
If icon_name is NULL, no icon will be shown in the specified position.
The position at which to set the icon
An icon name, or NULL
2.16
Sets the icon shown in the entry at the specified position from the current icon theme.
If the icon name isn’t known, a “broken image” icon will be displayed instead.
If icon_name is NULL, no icon will be shown in the specified position.