gtk/label.go
func (v *Label) SetWidthChars(nChars int) {
	C.gtk_label_set_width_chars(v.native(), C.gint(nChars))
}
func (v *Label) SetWidthChars(nChars int) {
	C.gtk_label_set_width_chars(v.native(), C.gint(nChars))
}
// SetWidthChars is a wrapper around gtk_label_set_width_chars().