public CoordinatePlane AddMarkers(CoordinateMarkerX mx, CoordinateMarkerY my) { entities.Add(mx); entities.Add(my); return(this); }
public void AddMarker(CoordinateMarkerX mx, CoordinateMarkerY my) { entities.Add(mx); entities.Add(my); }
public CoordinatePlane AddMarkerY(CoordinateMarkerY m) { entities.Add(m); return(this); }
public void AddMarkerY(CoordinateMarkerY m) => entities.Add(m);