Sets the icon of the tooltip (which is in front of the text) to be pixbuf. If pixbuf is NULL, the image will be hidden. Since 2.12
a GdkPixbuf, or NULL. [allow-none]
See Implementation
Sets the icon of the tooltip (which is in front of the text) to be pixbuf. If pixbuf is NULL, the image will be hidden. Since 2.12