A.Activate B.Deactivate C.KeyPress D.LostFocus
A.對(duì)象失去焦點(diǎn) B.對(duì)象接收到焦點(diǎn) C.用戶(hù)按下并釋放鍵盤(pán)上某個(gè)鍵 D.用戶(hù)在控件上按下并釋放鼠標(biāo)左鍵
A.Parent B.Container C.THIS D.THISFORM