进度例子 ........\ProgressBarShow.dcu ........\ProgressBarShow.ddp ........\ProgressBarShow.dfm ........\ProgressBarShow.pas ........\ProgressBarShow.~dfm ........\ProgressBarShow.~pas ........\Project1.cfg ........\Project1.dof ........\Project1.dpr ........\Project1.exe ........\Project1.res ........\Project1.~dpr ........\Unit1.dcu ........\Unit1.dfm ........\Unit1.pas ........\Unit1.~dfm ........\Unit1.~pas