按钮切换版面
............\pic
............\...\14.JPG
............\...\15A.BMP
............\...\16A.BMP
............\...\17A.BMP
............\Project1.cfg
............\Project1.dof
............\Project1.dpr
............\Project1.exe
............\Project1.res
............\Unit1.dcu
............\Unit1.ddp
............\Unit1.dfm
............\Unit1.pas
............\Unit2.dcu
............\Unit2.dfm
............\Unit2.pas