Introduction - If you have any usage issues, please Google them yourself
Native C++ (without MFC) DDE basic examples.
Does NOT use "DDE spy" method, which means, it supports UNICODE and allows to read/write unlimited bytes in the DDE message.
DDE - Primitive method to perform out-of-process call. Can be used to automate office applications (and other that supports DDE).
Also can be used to spy DDE operations being used by the system (usually explorer).