test cancel event
test cancel event

elektronik2k5/dialog-polyfill,huangxok/dialog-polyfill,huangxok/dialog-polyfill,lozandier/dialog-polyfill,lozandier/dialog-polyfill,samthor/dialog-polyfill,elektronik2k5/dialog-polyfill,kublaj/dialog-polyfill,kublaj/dialog-polyfill,GoogleChrome/dialog-polyfill,GoogleChrome/dialog-polyfill,samthor/dialog-polyfill