AccessViolation exceptions occur when using xbim geometric operations.

[ido-cu]

Using Xbim geometric operations causes AccessViolation exceptions.

Assemblies and versions affected: Xbim.Essentials Version=5.1.323, 5.1.341 Xbim.Geometry Version=5.1.403, 5.1.437

Steps (or code) to reproduce the issue: AccessViolationTester.zip

I added a testing app in C# (.net 6). When running it - it will crash with a AccessViolationException.

Minimal file to reproduce the issue: This is an actual client's model. Is there any way to provide it to you privately?

Expected behavior:

The program will not crash.

Actual behavior or exception details: The program crashes with a AccessViolation exception.

[ido-cu]

@SteveLockley @CBenghi Hi guys, are you planning of fixing this issue?

[andyward]

@ido-cu Do you want to send us the problem file (via a fileshare/sharepoint/dropbox/wetransfer etc)? My xbim email is on my GH profile. We're doing final regression on the V6 Geometry engine so will try to pick up with that.

[ido-cu]

@andyward I shared the input file with you via email. thanks :)