Opens the Style dialog, with Object type set to Buildings with attached points.
Find it here:
MOUS_ICO Menu: Noise > Roads and railroads > Display
MOUS_ICO Menu: Noise > Style > Style
MOUS_ICO Set Object type to Buildings with attached points or Buildings w/o attached points.
nco: Choose a building (defined in Novapoint Noise)
MOUS_ICO Popup menu: Style