RTD
Syntax:
RTD ( progID , [ rtd-server ] , argument-list )
Description: Retrieves data from a program in real-time. Periodically, this function returns new values and causes recalculation of the expression containing the call to it.
Arguments:
Name |
Type |
Description |
|---|---|---|
progID |
text |
The name of the program from which the data is to be retrieved. |
rtd-server |
text |
An optional string that is specific to the program with which RTD is communicating. |
argument list |
any |
The presence and meaning of each argument in argument-list is specific to the program with which RTD is communicating. |
Return Type and Value: array – The set of values returned by the program with which RTD is communicating.
The result it returns—the price of the stock MSFT according to NASD—changes over time, often every few seconds.
The rtd-server program could also be written to accept multiple arguments, allowing calls like the following::RTD("stockprice.rtd","NASD","MSFT","GOOG","AMZN")
where three stock values are requested.]