>thanks edward,
>okay with passing a single value by reference, but what i need to do is pass in an array, such as an array of floats.
>
>Here's the C++ declaration:
>DLL_FUNCTION int ShapeVerifyEntryPoint( char *shapeId, int numDims, float dims[MAX_DIM] )
>
>
>Here's my fox code:
>DECLARE INTEGER ShapeVerifyEntryPoint IN shapedll.dll AS ShapeVerify STRING @shapeid, INTEGER numdims, DOUBLE[10] the_dims
>
>#DEFINE MAX_DIMS 10
>
>LOCAL lcShapeID, lnNumDims, laDims, lnReturn
>
>lcShapeID = "52"
>lnNumDims = 1
>DIMENSION laDims[lnNumDims]
>laDims[1] = 20.0
>
>lnReturn = ShapeVerify(lcShapeID, lnNumDims, laDims)
>
>RETURN
>
>The results of running this is that FoxPro bombs.

passing an array of floats is a little complicated
asz you need to translate each float into its presentation and pass it all in a string
there is an example of passing an array of integers in the solution app that ships with VFP5.0

Arnon