Re: [Oorexx-devel] Receiving data in Rexx callable DLL functions

[Rick M. <obj...@gm...>]

Currently, an external function can only receive string data. All arguments
are converted into string values and those are passed to the calling
function. Coming soon will be the ability to pass arguments dirctly as
objects and also to invoked methods against those arguments. There is no
example code out there because it doesn't really exist yet.

On 10/22/05, Michael Lueck <ml...@lu...> wrote:
>
> I got thinking... there are all these data types in Object Rexx. When
> sending
> data to a Rexx callable C function in a DLL, how does Object Rexx prepare
> giving these datatypes to C? I know stems must be accessed via the API to
> access Rexx variables, and strings just seem to behave, but what about
> sending
> a MutableBuffer to a C function? Does ooRexx magically run the string
> method of
> the instance and pass that result to C, or does the C code need to
> interact
> with that which it was passed in a special way to crack the data out of
> these
> complex data types?
>
> Any example code out there and I just didn't see it?
>
> Thanks!
>
> Michael Lueck
> Lueck Data Systems
> http://www.lueckdatasystems.com/
>
>
>
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