Grasshopper

algorithmic modeling for Rhino

GH Loading error

hello

I wrote a gh component but i get this strange error when trying to load gh

Object: MemAssemComponent (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: MemAssemComponent (level 2)
{
Unable to cast object of type 'Grasshopper.Kernel.Parameters.Param_Point' to type 'Grasshopper.Kernel.Parameters.Param_Number'.
InvalidCastException
}

I'm attaching the code for the component and structures.

thank you

Roey

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Replies to This Discussion

Permalink Reply by Andrew Heumann on May 6, 2015 at 12:55pm

You're off by one in your counting in MemAssemComponent - you're looking for a ParamNumber at pManager[0] but the first parameter you're adding is a point parameter. 

Also, just so you know, you can set default values right in the pManager.AddXXXXParameter() method - it's an optional last input.

Permalink Reply by Roey Yaniv on May 6, 2015 at 10:05pm

I corrected it but still have the same problem..

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