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Valentina for Xojo/REALbasic FAQ

Thank you for your interest in Valentina. Here you will find links to general topics related to all Valentina for V4RB products as well as specific frequently asked questions and answers about Xojo support.

Installation Questions

Q: How can I check that Xojo have recognized V4RB plugin?

Q: What does Valentina for Xojo install and where?

Q: Can I use Xojo Standard with Valentina.rbx plugin?

Q: I want to use Valentina Reports with another DB (mySQL, postgreSQL,...). I do not need Valentina DB. is that possible?

Error Handling Questions

Q: Is VException class related to Xojo' class Exception?

Q: Valentina Engine/Valentina Reports throws an exception with an error for the query which is 100% valid and can be successfully executed from the Valentina Studio?

General Questions

Q: How to Hide Serial Numbers?

Q: Why do the two version with array of bound values, ''bind() as string'' and ''bind() as variant'', exist?

Field Questions

Q: I see that I can use syntax curs.Field(1).value as well as e.g. curs.LongField(1).value. Is there any difference?

Q: How can I init an ObjectPtr field for self-recursion when I create it in the constructor of my subclass of VTable?

Q: How can I set a field to be NULL ?

Performance Questions

Q: When I work in the debug mode my application works slower. In the release build, it works very fast.

RBDB API Questions

Q: Can I use RBDB API working with Valentina DB?

Q: Can I use RBDB API with Valentina DB and some features from Native?

Deployment Questions

Q: Should I do any special steps to prepare my compiled application for deployment?

Q: Can I compile Linux/Win app working on Mac (or vice-versa)?

Q: Okay, but why don`t you include all OS into single archive?