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 AddMarkerX(CoordinateMarkerX m) { entities.Add(m); return(this); }
public void AddMarkerX(CoordinateMarkerX m) => entities.Add(m);