添加删除控件\Project1.cfg ............\Project1.dof ............\Project1.dpr ............\Project1.exe ............\Project1.res ............\Project1.~dpr ............\Unit1.dcu ............\Unit1.ddp ............\Unit1.dfm ............\Unit1.pas ............\Unit1.~ddp ............\Unit1.~dfm ............\Unit1.~pas 添加删除控件