Grasshopper

algorithmic modeling for Rhino

VB Component with zero input parameters

As part of a larger project we are trying to define a VB component that computes and returns a value, but has no input parameters. Using the standard "empty" VB component we assign a value to output parameter "A". That works. Using the "Zoom to edit" GUI we remove the "x" input parameter. The component appearance changes (showing the 'sawtooth' on the left side). The VB edit window shows the correct function signature, but both the 'out' and 'A' output parameters show "Empty ... parameter" and the component shows this run-time error:

1. Solution exception, capacity was less than the current size. Parameter name: capacity

I've expanded the VB script and searched for 'capacity' but don't find it.

Misunderstanding, Bug, or "as expected"??

Views: 574

Replies to This Discussion

Permalink Reply by Brian Johnson on May 19, 2012 at 9:55am

A little more forum searching found this discussion from last year, so I guess it's currently "as expected" if a little 'untidy'. OK for now.

Permalink Reply by David Rutten on May 19, 2012 at 10:45am

It's one of my bugs, nothing to do with the code you see in the Script Editor. I'll fix it for the next release.

--

David Rutten

david@mcneel.com

Poprad, Slovakia

Permalink Reply by Brian Johnson on May 19, 2012 at 10:50am

Super! Looking forward to it.

Permalink Reply by David Rutten on May 21, 2012 at 3:36pm

It's fixed now. 0.9.0001 will be able to handle VB/C# scripts with no input parameters.

--

David Rutten

david@mcneel.com

Poprad, Slovakia

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