三层中传递自定义Record的例子
............................\Client.bdsproj
............................\Client.bdsproj.local
............................\Client.cfg
............................\Client.dof
............................\Client.dpr
............................\Client.exe
............................\Client.identcache
............................\Client.res
............................\Client_Unit.dcu
............................\Client_Unit.dfm
............................\Client_Unit.pas
............................\Comm.dcu
............................\Comm.pas
............................\del.bat
............................\DemoGroup.bdsgroup.local
............................\DemoGroup.bpg
............................\RDMUnit.dcu
............................\RDMUnit.ddp
............................\RDMUnit.dfm
............................\RDMUnit.pas
............................\Readme.txt
............................\Srv.bdsproj
............................\Srv.bdsproj.local
............................\Srv.cfg
............................\Srv.dof
............................\Srv.dpr
............................\Srv.exe
............................\Srv.identcache
............................\Srv.res
............................\Srv.tlb
............................\SrvMainUnit.dcu
............................\SrvMainUnit.ddp
............................\SrvMainUnit.dfm
............................\SrvMainUnit.pas
............................\Srv_TLB.dcu
............................\Srv_TLB.pas