Invoked in:
Server
Message from Partner:
WM_DDE_POKE
Remarks:
This event is invoked in a server when a partner has sent unsolicited data.
The application can retrieve the item name (DDEGetItemName) to determine if it is interested in the data.
DDEGetStringData can be called to retrieve the data.
Required Response:
Upon receipt of unsolicited data, the DDE protocol requires that the server respond as follows. The server must respond to this event before attempting to transmit another event to the partner.
Acknowledgment
Acknowledgment |
Subroutine Called |
Message |
Positive (Data is accepted) |
DDEAck with DDE_FACK status flag set |
WM_DDE_ACK with DDE_FACK status bit set |
Negative (Data is not accepted) |
DDEAck with DDE_FACK status flag not set |
WM_DDE_ACK with DDE_FACK status bit cleared |
Default Processing:
The DDE DLL default processing is to send a negative acknowledgment if the ESL program does not send an acknowledgment.
Available Queries:
Example:
response to stimulus DDE DDE_POKE
copy eventparam to ConvID_IV
copy DDEGetItemName (ConvID_IV) to ItemName_SV
copy DDEGetFormat (ConvID_IV) to Format_SV
if (DataIsAcceptable (ItemName_SV, Format_SV) then
copy DDESetStatusFlag (0, DDE_FACK) to Status_IV
call DDEAck (ConvID_IV, ItemName_SV, Format_SV, Status_IV)
copy DDEGetStringData (ConvID_IV) to StringData_SV
else
copy 0 to Status_IV
call DDEAck (ConvID_IV, ItemName_SV, Format_SV, Status_IV)
end if
