OK, changed to this:
grabframe: make routine! [
"Grab a video frame"
t1 [string!]
addr [struct! [i [integer!]]]
return: [string!]
] tfcapture "grabFrame"
a: make struct! [i [integer!]] none
grabframe "This is me" a
Same problem with the message "Rebol has generated errors"
Any other ideas?
-Bo
At 06:37 AM 3/9/2005, you wrote:
>woops I made a mistake : u should have read :
>res: grabframe "Test" my-int: make struct! [p [integer!]] none
>
>Sorry.
>
>
>On Wed, 9 Mar 2005 14:47:14 +0100, bouba <[EMAIL PROTECTED]> wrote:
> > what happens if you use this :
> > res: grabframe "Test" my-int: make struct! [p [integer!]]
> >
> > Does it work better?
> > Not sure this is your problem, but well, just trying to guess. :)
> >
> > @+
> >
> > Bouba
> >
> > On Wed, 09 Mar 2005 04:44:48 -0800, Bohdan or Rosemary Lechnowsky
> > <[EMAIL PROTECTED]> wrote:
> > >
> > > OK. I finally made some progress on my video capture .dll stuff, but I'm
> > > stuck again. Here is the C++ code that works properly calling the
> routine
> > > "grabframe":
> > >
> > > char *pFrame = NULL;
> > > long frameSize;
> > > HANDLE h;
> > > char *fn = new char[256];
> > > char *pTyped;
> > > long frameSizeTyped;
> > > DWORD bytesWritten;
> > > LPDWORD pBytesWritten = &bytesWritten;
> > > pFrame = grabFrame("This is me", &frameSize);
> > >
> > > I think this can safely be whittled down to the following for this
> example:
> > >
> > > char *pFrame = NULL;
> > > long frameSize;
> > > pFrame = grabFrame("This is me", &frameSize);
> > >
> > > Here is my grabframe routine in Rebol:
> > >
> > > grabframe: make routine! [
> > > "Grab a video frame"
> > > t1 [string!]
> > > addr [integer!]
> > > return: [string!]
> > > ] tfcapture "grabFrame"
> > >
> > > If I try to call it with the following, Windows says Rebol generated an
> > > illegal operation:
> > >
> > > adrs: 0
> > > res: grabframe "Test" adrs
> > >
> > > Here is the grabframe declaration in the .h file if this helps any:
> > >
> > > extern "C" __declspec(dllexport) char *grabFrame(CString, long *);
> > >
> > > Any ideas you can give would be greatly appreciated!
> > >
> > > -Bo
> > >
> > > --
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> > > Checked by AVG Anti-Virus.
> > > Version: 7.0.308 / Virus Database: 266.7.0 - Release Date: 3/8/2005
> > >
> > > --
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> > >
> > >
> >
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