Transaction Types
Each DDE transaction type has a receiver and an associated activity that causes the DDEML to generate each type.| Transaction type
| Receiver
| Cause
|
| XTYP_ADVDATA
| Client
| A server responded to an XTYP_ADVREQ transaction by returning a data handle.
|
| XTYP_ADVREQ
| Server
| A server called the DdePostAdvise function, indicating that the value of a data item in an advise loop had
changed.
|
| XTYP_ADVSTART
| Server
| A client specified the XTYP_ADVSTART transaction type in a call to the DdeClientTransaction function.
|
| XTYP_ADVSTOP
| Server
| A client specified the XTYP_ADVSTOP transaction type in a call to DdeClientTransaction.
|
| XTYP_CONNECT
| Server
| A client called the DdeConnect function and specified a service name and topic name supported by the server.
|
| XTYP_CONNECT_CONFIRM
| Server
| The server returned TRUE in response to an XTYP_CONNECT or XTYP_WILDCONNECT transaction.
|
| XTYP_DISCONNECT
| Client/Server
| A partner in a conversation called the DdeDisconnect function, causing both partners to receive this transaction.
|
| XTYP_ERROR
| Client/Server
| A critical error has occurred. The DDEML may not have sufficient resources to
continue.
|
| XTYP_EXECUTE
| Server
| A client specified the XTYP_EXECUTE transaction type in a call to DdeClientTransaction.
|
| XTYP_MONITOR
| DDE monitoring application
| A DDE event occurred in the system. For more information about DDE monitoring
applications, see Monitoring Applications.
|
| XTYP_POKE
| Server
| A client specified the XTYP_POKE transaction type in a call to DdeClientTransaction.
|
| XTYP_REGISTER
| Client/Server
| A server application used the DdeNameService function to register a service name.
|
| XTYP_REQUEST
| Server
| A client specified the XTYP_REQUEST transaction type in a call to DdeClientTransaction.
|
| XTYP_UNREGISTER
| Client/Server
| A server application used DdeNameService to unregister a service name.
|
| XTYP_WILDCONNECT
| Server
| A client called the DdeConnect or DdeConnectList function, specifying NULL for the service name, the topic name, or both.
|
| XTYP_XACT_COMPLETE
| Client
| An asynchronous transaction, sent when the client specified the TIMEOUT_ASYNC
flag in a call to DdeClientTransaction, has concluded.
|
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