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Re: Passing Structures with Pointers with Call_External [message #40456]

Wed, 11 August 2004 07:34

MajorSetback
Messages: 9
Registered: August 2004

Junior Member

"Peter Mason" <drone@spam.com> wrote in message news:<vDcSc.266$aA.11145@news.optus.net.au>...
> The problem here is that IDL isn't creating the structure quite as you
> expect. There isn't that level of indirection with DATA. Your C-side
> structure should look something like this:
> typedef struct FloatPlane_Struct {
> int Rows;
> int Columns;
> float Data[n];
> } FloatPlane;
> Where the "n" in "Data[n]" is equal to numrows*numcolumns in your IDL-side
> structure creation statement.
> I think this means that you need a different approach as a C-side structure
> definition is fixed at compile time ("n" must be a constant).
>

Just a follow up question I thought of. Is it possible to return a C
structure with pointers to IDL and have IDL interpret it correctly?

Thanks again,
Peter.

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[Message index]

		Re: Passing Structures with Pointers with Call_External By: MajorSetback on Wed, 11 August 2004 07:34
		Re: Passing Structures with Pointers with Call_External By: MajorSetback on Wed, 11 August 2004 06:53
		Re: Passing Structures with Pointers with Call_External By: MajorSetback on Wed, 11 August 2004 06:53
		Re: Passing Structures with Pointers with Call_External By: Bob[2] on Wed, 11 August 2004 05:40
		Re: Passing Structures with Pointers with Call_External By: Peter Mason on Tue, 10 August 2004 16:12
		Re: Passing Structures with Pointers with Call_External By: Peter Mason on Wed, 11 August 2004 16:44

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