hwnd (HWND)

Window handle of the sender.

pData (PDDEINIT)

Pointer to initiation data.

This points to a DDEINIT structure. pszAppName is the name of the responding server application; it must not be a zero-length string. pszTopic is the name of the topic that the server is willing to support; it must not be a zero-length string.

The DDEINIT structure must be in a shareable segment; it is the responsibility of the receiving window procedure to free this segment.

rc (BOOL)

Success indicator.

TRUE

Successful completion
FALSE
Error occurred.

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