A.創(chuàng)建一個(gè)Windows控制庫(kù)對(duì)象
B.創(chuàng)建一個(gè)類(lèi)庫(kù)對(duì)象
C.創(chuàng)建一個(gè)Windows服務(wù)對(duì)象
D.使用下面一段代碼去定義BusinessRules protected class TestKBusinessRules
E.使用下面一段代碼去定義BusinessRules publicnew class TestKBusinessRules
F.使用下面一段代碼去定義BusinessRules publicsealed class TestKBusinessRules
G.使用下面一段代碼去定義BusinessRules.publicabstract class TestKBusinessRules