Package com.sun.jna.platform.win32
Interface DdemlUtil.RequestHandler
- Enclosing class:
- DdemlUtil
public static interface DdemlUtil.RequestHandler
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Method SummaryModifier and TypeMethodDescriptiononRequest(int transactionType, int dataFormat, Ddeml.HCONV hconv, Ddeml.HSZ topic, Ddeml.HSZ item) A client uses the XTYP_REQUEST transaction to request data from a server.
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Method Details- 
onRequestDdeml.HDDEDATA onRequest(int transactionType, int dataFormat, Ddeml.HCONV hconv, Ddeml.HSZ topic, Ddeml.HSZ item) A client uses the XTYP_REQUEST transaction to request data from a server. A Dynamic Data Exchange (DDE) server callback function, DdeCallback, receives this transaction when a client specifies XTYP_REQUEST in the DdeClientTransaction function.- Parameters:
- transactionType- uType - The transaction type.
- dataFormat- uFmt - The format in which the data should be submitted to the client.
- hconv- A handle to the conversation.
- topic- hsz1 - A handle to the topic name.
- item- hsz2 - A handle to the item name.
- Returns:
- Data for the changed item or NULL if transaction can't be completed. If the server returns NULL, the client will receive a DDE_FNOTPROCESSED flag.
 
 
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