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Ext.Windowviewsource·close().ClosestheWindow,removesitfromtheDOM,destroystheWindowobjectandallitsdescendantComponents....Closesthe ...,Thebeforecloseeventisfiredbeforetheclosehappensandwillcancelthecloseactionifitreturnsfalse.Note:Thismethodisals...。參考影片的文章的如下: