Dynamic Data Exchange (DDE) Explained

This is a quick overview of DDE – Dynamic Data Exchange.

Windows applications often require to exchange information with multiple application instances or even with different application instances. These applications may be running on a single machine or on several machines in a network environment. Several standard protocols have been developed to address these requirements. This communication is referred as interprocess communication.

DDE – Dynamic Data Exchange is among earlier versions of such data transfer protocols. It sends data to & from applications. This protocol can be used for one time data exchange or progressive data exchange. DDE was first introduced in 1987 & since it uses Windows Messaging Layer, therefore it still works in modern versions of Microsoft operating systems.

DDE – supports several Data Exchange formats & custom formats could be defined for specialized inter-process communications.


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