gtk/icon_view.go
func (v *IconView) SetTooltipCell(tooltip *Tooltip, path *TreePath, cell *CellRenderer) {
	C.gtk_icon_view_set_tooltip_cell(v.native(), tooltip.native(), path.native(), cell.native())
}
func (v *IconView) SetTooltipCell(tooltip *Tooltip, path *TreePath, cell *CellRenderer) {
	C.gtk_icon_view_set_tooltip_cell(v.native(), tooltip.native(), path.native(), cell.native())
}
// SetTooltipCell is a wrapper around gtk_icon_view_set_tooltip_cell().