Added a method for getting our main window.
Added a method for getting our main window.

tinkerstudent/playn,longtaoge/playn,playn/playn,thecocce/playn-1,playn/playn,playn/playn,thecocce/playn-1,ruslansennov/playn2,rachelharvey/playn,tinkerstudent/playn,rachelharvey/playn,longtaoge/playn,ruslansennov/playn2