Visual Studio.net Code Causing Inventor Crash

[Anonymous]

Hello,

I have written a standalone application that uses the API to replace the title block in an open Inventor drawing with one defined in one of our standard drawing templates. I am having an issue with Inventor crashing during a certain block of code, which I've pinpointed below:

oSourceTitleBlockDef = oTemplate.ActiveSheet.TitleBlock.Definition
oNewTitleBlockDef = oSourceTitleBlockDef.CopyTo(odrawdoc, True)
oNewTitleBlockDef.Name = "Name"

oSheet.TitleBlock.Delete()
Call oSheet.AddTitleBlock(oNewTitleBlockDef)

Where oTemplate is the template drawing which I've called to open previously in the code:

oTemplate = ThisApplication.Documents.Open(FilePath, False)

The sheets in which this has occurred have all had existing title blocks. It is a very infrequent error, which has made troubleshooting it very difficult. I can run this code hundreds of times without any issues, and if I do have a drawing which causes the crash, the next time I try this code on the same drawing there will be no issues.

The dump file for the crash shows the following:

Thanks in advance for any suggestions!

[chandra.shekar.g]

Hi @Anonymous,

Try to open the template and make it visible by the following code. Activate the current drawing to copy titleblockdefintion from template.

oTemplate = ThisApplication.Documents.Open(FilePath, True)

Thanks and regards,

[Anonymous]

Chandra,

Are you thinking it is the visibility state of the template drawing that is causing issues? I can try this as a workaround but would rather not force the user to see a drawing open and close if possible.

Thanks,

[chandra.shekar.g]

Hi @Anonymous,

Can you please source code to investigate further? please make sure that source code is non confidential.

Thanks and regards,