Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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WM_DDE_ACK          Acknowledges receipt of a message
WM_DDE_ADVISE       Indicates whether to advise on data update
WM_DDE_DATA         Indicates that data is available
WM_DDE_EXECUTE      Indicates a string of commands
WM_DDE_INITIATE     Initiates a conversation
WM_DDE_INITIATEACK  Acknowledges the initiation of a conversation
WM_DDE_POKE         Indicates that unsolicited data was sent
WM_DDE_REQUEST      Indicates a request for data
WM_DDE_TERMINATE    Terminates a conversation
WM_DDE_UNADVISE     Indicates that an item doesn't need updating