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    <p>Minimalistic working example:</p> <p><strong>Lib.vbs:</strong></p> <pre><code>Option Explicit Function Twice(n) Twice = n + n End Function </code></pre> <p><strong>Main.vbs:</strong></p> <pre><code>Option Explicit Dim goFS : Set goFS = CreateObject("Scripting.FileSystemObject") ExecuteGlobal goFS.OpenTextFile(".\lib.vbs").ReadAll() Dim fpTwice : Set fpTwice = GetRef("Twice") WScript.Echo fpTwice(42) </code></pre> <p><strong>Output:</strong></p> <pre><code>cscript main.vbs 84 </code></pre> <p>The error message "... runtime error: Invalid procedure call or argument: 'GetRef'" indicates that the (importing of the) function library is to blame. </p> <p><strong>Update:</strong></p> <p>I <strong>think</strong> that it is plausible to assume that the VBScript engine keeps a table associating sub/function/method names with callable code to be able to do literal/direct calls:</p> <pre><code>n = Twice(11) </code></pre> <p>and that GetRef("Twice") accesses this table. So I would never expect an indirect/'function pointer' call or a GetRef() to fail when the literal invocation succeeds.</p> <p>But according to <a href="https://stackoverflow.com/questions/13300197/how-can-i-import-a-function-into-my-qtp-test-while-its-running">this</a> and <a href="http://www.automationrepository.com/2011/09/associate-function-library-to-qtp-script/" rel="nofollow noreferrer">that</a>, there are at least four ways to 'import' libraries/modules into QTP, and <em>as I don't use QTP</em> I can't rule out, that some (or even all) of these methods do something silly to cause the mis-behaviour you describe.</p>
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    1. POHow to call a function (with parameters) which is in function library, taking the function name from a variable?
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    1. USEkkehard.Horner
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    1. COI don't think there is a problem with my (importing of the) function library as it works fine if I call the function directly (by the function name) without using getref.
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    2. CO@Saranya - verify that the error occurs on the GetRef() line; isolate the GetRef() call; publish more of your code (how do you 'import' a library in QTP?); could it be a problem of sequence/order (like calling before the library is loaded)?
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    3. COI have associated the function library with my test and I'm able to call other functions from the action. Also, when I tried calling the function using getref within the function library, it worked fine. But I get the error when I call the function using getref from the action. Does getref work only for local functions?
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