[JS CS4/CS5/CS5.5] How to get return value from Javascript when using doScript

Question

Hi allI'm trying to call some javascript from COM (c#) and this works fine. Passing parameters to the javascript and reading them using the arguments syntax also works fine.What I can't seem to get to work is how to pass something back from the javascript to the calling COM invoker, in this case c#. How/where do I place the return value in the javascript?Thanks in advance.Ruvan

John Hawkinson · Accepted Answer

doScript() is evaluating an expression, so just ensure that your Javascript is an expression.For instance "(3+3)" will return 6.

absqua · Answer

I might add that if the script you're calling is a stand-alone script file (with a global context that can't explicitly return anything) rather than a function or a JavaScript expression in a string, the return value will be the last value in the called script. So if your doScript() looks like this:

app.doScript(File("/path/to/script.jsx"), ScriptLanguage.JAVASCRIPT);

Then script.jsx can return a value like this:

var returnValue = null;
//...stuff that modifies returnValue
returnValue;

Jeff

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