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Exceptions

Exception

Description

DDE.DDE_APP_FAILURE

An application program specified in a DDE.APP_BEGIN call could not be started.

DDE.DDE_APP_NOT_FOUND

An application ID specified in a DDE.APP_END or DDE.APP_FOCUS call does not correspond to an application that is currently running.

DDE.DDE_FMT_NOT_FOUND

A format number specified in a DDE.GETFORMATSTR call is not known.

DDE.DDE_FMT_NOT_REG

A format string specified in a DDE.GETFORMATNUM call does not correspond to a predefined format and could not be registered as a user-defined format.

DDE.DDE_INIT_FAILED

The application was unable to initialize DDE communications, which caused a call to the DDE layer to fail.

DDE.DDE_PARAM_ERR

An invalid parameter, such as a NULL value, is passed to a DDE package routine.

DDE.DMLERR_BUSY

A transaction failed because the server application is busy.

DDE.DMLERR_DATAACKTIMEOUT

A request for a synchronous data transaction has timed out.

DDE.DMLERR_EXECACKTIMEOUT

A request for a synchronous execute transaction has timed out.

DDE.DMLERR_INVALIDPARAMETER

A parameter failed to be validated. Some of the possible causes are as follows: The application used a data handle initialized with a different item-name handle or clipboard data format than that required by the transaction. The application used an invalid conversation identifier.More than one instance of theapplication used the same object.

DDE.DMLERR_MEMORY_ERROR

A memory allocation failed.

DDE.DMLERR_NO_CONV_ESTABLISHED

A client's attempt to establish a conversation has failed. The service or topic name in a DDE.INITIATE call may be in error.

DDE.DMLERR_NOTPROCESSED

A transaction failed. The item name in a Poke or Request transaction may be in error.

DDE.DMLERR_POKEACKTIMEOUT

A request for a synchronous poke transaction has timed out.

DDE.DMLERR_POSTMSG_FAILED

An internal call to the PostMessage function has failed.

DDE.DMLERR_SERVER_DIED

The server terminated before completing a transaction.

DDE.DMLERR_SYS_ERROR

An internal error has occurred in the DDE layer.