codice:
scrollBar.setStyleProperty("scrollTrack", 0xCCCCFF);
//sfondo scrollBar
scrollBar.setStyleProperty("arrow", 0x000000);
scrollBar.setStyleProperty("highlight", 0xB7C4EA);
scrollBar.setStyleProperty("highlight3D", 0x000066);
scrollBar.setStyleProperty("darkshadow", 0x000066);
scrollBar.setStyleProperty("shadow", 0xB7C4EA);
scrollBar.setStyleProperty("face", 0xCCCCFF);