CallFunction Function [Revelation On-Line Wiki]

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====== CallFunction Function     ======


 
==== Description ====
 
Execute an OpenInsight stored procedure function remotely.
 
==== Syntax ====
 
Error = CallFunction(Queue, ReturnValue, Function, Arg1, Arg2, ...)
 
==== Parameters ====
 
The CallFunction function has the following parameters.

^Parameter^Description^
|Queue|Handle for the queue, created by [[createqueue|CreateQueue()]].|
|ReturnValue|The value returned from the remote function call.|
|Function|Name of the remote function to be executed.|
|Arg1, Arg2, ...|Arguments to the OpenInsight remote function.  Pass as many as the function requires.\\ \\ Note:  Arguments are passed by reference; that is, if the called function changes the arguments then your program will see the changes.||

 
==== See Also ====
 
[[callsubroutine|CallSubroutine()]]
 
==== Example ====
 
<code>
// Call the TEST_SERVER function, returning the value in ReturnValue, running on a previously created queue.  Four parameters are passed.

Error = CreateEngine(Engine, "\\.\REVCAPI_TEST",  "SYSPROG",**CREATE_ENGINE_OPEN_ALWAYS$,  1)**

**// error processing for CreateEngine**

**E**rror = CreateQueue(Queue, Engine, "", "", "SYSPROG")

// error processing for CreateQueue

ReturnValue = 0
Error = CallFunction(Queue, ReturnValue, "TEST_SERVER", a:"", b, c:"", d)
 
 
 
 
</code>