Grasshopper

algorithmic modeling for Rhino

Hi. I am making a Grasshopper component. When I use it the first time it doesn´t have any problem but in the second execution it gave an error:

Grasshopper display error

An exception was thrown inside the drawing pipeline:

.......

I attach the error. Can anyone gel me?. Thanks in advance.

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Are you doing custom drawing in your component?

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David Rutten

david@mcneel.com

Poprad, Slovakia

No. It only has got one window form with components from the framework.

Well, it's a very common exception that basically means someone is trying to access methods on a null reference. You'll have to send me the code so I can run it here.

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David Rutten

david@mcneel.com

Poprad, Slovakia

Hi. Thanks for the response. I have every piece of my code inside try/catch statments with dialogs in the catch to show the error. The problem seems not to be in my component code because if the acces to a null reference is on my code, a dialog must appear with information about the error.

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