Variant变量可以在COM/DCOM接口方法中传递（传入、传出）不定长结构数组，但是需要打包和解包，效率比较低。这个例子使用了size_is指定长度的方法，本是从MSDN上看到的，但是MSDN上给出的例子不够具体，所以费了些时间摸索，最

Packet : DataTransfer_DCOM.rar filelist
DataTransfer/CentralProgram.cpp
DataTransfer/CentralProgram.h
DataTransfer/CentralProgram.rgs
DataTransfer/DataPlugins.cpp
DataTransfer/DataPlugins.h
DataTransfer/DataPlugins.rgs
DataTransfer/DataTransfer.aps
DataTransfer/DataTransfer.cpp
DataTransfer/DataTransfer.dsp
DataTransfer/DataTransfer.dsw
DataTransfer/DataTransfer.h
DataTransfer/DataTransfer.idl
DataTransfer/DataTransfer.ncb
DataTransfer/DataTransfer.opt
DataTransfer/DataTransfer.plg
DataTransfer/DataTransfer.rc
DataTransfer/DataTransfer.rgs
DataTransfer/DataTransfer.tlb
DataTransfer/DataTransferps.def
DataTransfer/DataTransferps.dll
DataTransfer/DataTransferps.exp
DataTransfer/DataTransferps.lib
DataTransfer/DataTransferps.mk
DataTransfer/DataTransfer_i.c
DataTransfer/DataTransfer_i.obj
DataTransfer/DataTransfer_p.c
DataTransfer/DataTransfer_p.obj
DataTransfer/dlldata.c
DataTransfer/dlldata.obj
DataTransfer/MyConst.h
DataTransfer/MyStruct.h
DataTransfer/resource.h
DataTransfer/StdAfx.cpp
DataTransfer/StdAfx.h
DataTransfer/~VC212.tmp
ClientCP/ClientCP.aps
ClientCP/ClientCP.clw
ClientCP/ClientCP.cpp
ClientCP/ClientCP.dsp
ClientCP/ClientCP.dsw
ClientCP/ClientCP.h
ClientCP/ClientCP.ncb
ClientCP/ClientCP.opt
ClientCP/ClientCP.plg
ClientCP/ClientCP.rc
ClientCP/ClientCPDlg.cpp
ClientCP/ClientCPDlg.h
ClientCP/EditItem.cpp
ClientCP/EditItem.h
ClientCP/MEMDC.H
ClientCP/MyConst.h
ClientCP/ReadMe.txt
ClientCP/res/ClientCP.ico
ClientCP/res/ClientCP.rc2
ClientCP/resource.h
ClientCP/StdAfx.cpp
ClientCP/StdAfx.h
ClientCP/XComboList.cpp
ClientCP/XComboList.h
ClientCP/XHeaderCtrl.cpp
ClientCP/XHeaderCtrl.h
ClientCP/XListCtrl.cpp
ClientCP/XListCtrl.h
ClientDP/ClientDP.aps
ClientDP/ClientDP.clw
ClientDP/ClientDP.cpp
ClientDP/ClientDP.dsp
ClientDP/ClientDP.dsw
ClientDP/ClientDP.h
ClientDP/ClientDP.ncb
ClientDP/ClientDP.opt
ClientDP/ClientDP.plg
ClientDP/ClientDP.rc
ClientDP/ClientDPDlg.cpp
ClientDP/ClientDPDlg.h
ClientDP/EditItem.cpp
ClientDP/EditItem.h
ClientDP/MEMDC.H
ClientDP/MyConst.h
ClientDP/ReadMe.txt
ClientDP/res/ClientDP.ico
ClientDP/res/ClientDP.rc2
ClientDP/resource.h
ClientDP/StdAfx.cpp
ClientDP/StdAfx.h
ClientDP/XComboList.cpp
ClientDP/XComboList.h
ClientDP/XHeaderCtrl.cpp
ClientDP/XHeaderCtrl.h
ClientDP/XListCtrl.cpp
ClientDP/XListCtrl.h
ClientCP/res
ClientDP/res
DataTransfer
ClientCP
ClientDP

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