The DdeFreeDataHandle function frees a dynamic data exchange (DDE) object and deletes the data handle associated with the object.
// handle to DDE object
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
The DdeGetLastError function can be used to get the error code, which may be one of the following values:
An application must call DdeFreeDataHandle under the following circumstances:
The system automatically frees an unowned object when its handle is returned by a DDE callback function or is used as a parameter in a DDEML function.
DdeAccessData, DdeCreateDataHandle, DdeClientTransaction
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