func (b *BarChart) SetShowMarks(show bool) {
	b.mtx.Lock()
	defer b.mtx.Unlock()

	b.showMarks = show
}
func (b *BarChart) SetShowMarks(show bool) {
	b.mtx.Lock()
	defer b.mtx.Unlock()

	b.showMarks = show
}
func ( b * BarChart ) SetShowMarks ( show bool ) { b . mtx . Lock ( ) defer b . mtx . Unlock ( ) b . showMarks = show }
// SetShowMarks turns on and off marks under horizontal axis
SetShowMarks turns on and off marks under horizontal axis