DdePoke sends data to a server.
If the function succeeds, the return value is TRUE (1); otherwise it is FALSE (0).
hConv is the channel number (handle) which is used with other UniPlot DDE functions.
ssService is the service name.
ssTopic is the topic name.
Specifies the maximum length of time, in milliseconds, that UniPlot will wait for a response from the server application in a synchronous transaction. This parameter should be 0xFFFFFFFF for asynchronous transactions. The default value is 5000.
see example DdeInitiate.