单项选择题
A.可视化程序设计 B.代码程序设计 C.事件驱动编程 D.A和C
A.FormB.PanelC.GroupBoxD.Memo
A.+B.>C.>=D.!E.-
A.try B.except C.finally D.raise E.error
A.fsNormal B.fsMIDChild C.fsMIDForm D.fsStayOnTop E.fsDeskTop
A.24 B.28 C.32 D.40
A.Application.DoEvent B.Application.DoEvents C.Application.Idle D.Application.ProcessMessages
A.TGraphicControl B.TWinControl C.TComponent D.TPersistent E.TControl
A.csDropDown B.csSimple C.csDropDownList D.csOwnerDrawVariable E.csOwnerDrawFixed