Mariusz Postol

Transfer because the main functionality is implemented here.

Further development will be conducted on the branch

## Testing scope - [x] possibility to import NodeSet file - [x] possibility to validate NodeSet file - [x] possibility to convert NodeSet to ModelDesign - [x] possibility to open...

@eoursel the result of `ValidateAndExportModel` is as follows: ```txt Test Name: eoursel510Test Test Outcome: Passed Result StandardOutput: Debug Trace: Trace: Verbose, Error Focus:Diagnostic, ErrorID: P0-0003010000 Info: It is diagnostic information...

@eoursel thanks, I haven't yet generated the ModelDesign file. The task `possibility to convert NodeSet to ModelDesign` is scheduled next` (see [Testing scope](https://github.com/mpostol/OPC-UA-OOI/issues/510#issuecomment-775445499) above). Thanks for the feedback, I will...

@eoursel Except for simple errors in the code (let exclude this case for a while), the reason for the problem you have reported is conditions used to select nodes to...

@eoursel It is just a hypothesis. I will check it. At least this scenario is now not subject of validation, but in my opinion should be, shouldn't it? After improving...

@eoursel do you have a copy of the document [OPC UA Companion Specification Template](https://opcfoundation.org/developer-tools/specifications-unified-architecture/opc-ua-companion-specification-template/). It is not available on the OPC website - the page is empty for my account....

Hi @eoursel, I have improved the error processing and logging infrastructure and the current result for the model in concern processing is as follows: ```txt Test Name: eoursel510Test Test Outcome:...

@eoursel I see. You are right and it makes sense to add randomly new components (members). I was sure that `IsForward` is restricted for `HasProperty` and must be true. It...