递归搜索目录文件\treelist.cfg
................\treelist.dof
................\treelist.dpr
................\treelist.dsk
................\treelist.exe
................\treelist.res
................\treelist.~dsk
................\Unit1.dcu
................\Unit1.ddp
................\Unit1.dfm
................\Unit1.pas
................\Unit1.~ddp
................\Unit1.~dfm
................\Unit1.~pas
递归搜索目录文件