单项选择题
A.Form2.CloseB.Form2.HideC.Form2.UnLoadD.Form2.Clear
A.CommonDialog1.ShowSave =ActionB.CommonDialog1.ShowSave =2C.CommonDialog1.Action =2D.CommonDialog1.Action =ShowSave
A.CommonDialog1.Message =FalseB.CommonDialog1.CancelError =FalseC.CommonDialog1.Visible =TrueD.CommonDialog1.OnError =True
A.每个菜单项必须设置快捷键B.菜单项和快捷键是一一对应关系C.一个菜单项可以有多个快捷键D.一个菜单项可以没有快捷键
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