Error in Grasshopper component

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.

Attachments:

error.png, 28 KB

Replies to This Discussion

Permalink Reply by David Rutten on March 6, 2013 at 11:15am

Are you doing custom drawing in your component?

David Rutten

david@mcneel.com

Poprad, Slovakia

Permalink Reply by Delio Tolivia on March 6, 2013 at 11:41am

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

Permalink Reply by David Rutten on March 6, 2013 at 11:54am

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.

David Rutten

david@mcneel.com

Poprad, Slovakia

Permalink Reply by Delio Tolivia on March 6, 2013 at 12:17pm

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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