利用Windows所提供的动态数据交换（Dynamic Data Exchange，简称DDE）协议来实现组态王与Visual C++之间的数据交换，实时数据再经由VC++所提供的MSComm控件进行RS232串行.组态王利用DDE与"DDE Server"程序进行通信-Provided by the use of Windows Dynamic Data Exchange (Dynamic Data Exchange, referred to as DDE) protocol to achieve the KingView and Visual C++ data exchange between the real-time data and then by the VC++ provided by the RS232 serial MSComm controls. Kingview use DDE with " DDE Server"　program to communicate