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Re: Importing data from C/C++ to IDL when type is only known at runtime [message #48532 is a reply to message #48522]

Wed, 26 April 2006 05:43

Robbie
Messages: 165
Registered: February 2006

Senior Member

I'm sure that there are a myriad of ways to approach this problem, each
with varying degrees of pain and frustration.

Here's an another option to consider (unless it is what you are
attempting to explain in option 3).

You can allocate either:

(A) A structure with values as IDL pointers
struct = {MYSTRUCT, a: ptr_new(/ALLOCATE_HEAP), $
b: ptr_new()/ALLOCATE_HEAP, c: ptr_new(/ALLOCATE_HEAP)}
*struct.a = a
*struct.b = b
*struct.c = c

(B) An array of IDL pointers
array = ptrarr(3,/ALLOCATE_HEAP)
*array[0] = a
*array[1] = b
*array[2] = c

In this example you need to set the variables a, b and c from the C
side. You can then use IDL_ExecuteStr() to execute the above code to
build the IDL variable you want.

Hope this helps,

Robbie

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[Message index]

		Re: Importing data from C/C++ to IDL when type is only known at runtime By: kathryn.ksm on Fri, 28 April 2006 08:20
		Re: Importing data from C/C++ to IDL when type is only known at runtime By: Nigel Wade on Thu, 27 April 2006 05:09
		Re: Importing data from C/C++ to IDL when type is only known at runtime By: Robbie on Wed, 26 April 2006 05:43
		Re: Importing data from C/C++ to IDL when type is only known at runtime By: Nigel Wade on Tue, 02 May 2006 01:33

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