This paper presents the Class Editor tool. It is a software development environment that provide automated support for generating Delphi language code from class hierarchy defined either by developers directly or by reading the source data from XML files. We believe, that those classes affect the flexibility of generated code, program comprehension, support round-trip engineering, and program maintenance. In addition this tool can convert classes to highlighted HTML property name documentation, and generate XML Schema files, as well as ready to use templates of read/write procedures from/to databases, providing mechanisms for accessing and storing data. Moreover, it can generate consistent class types hierarchy from example XML data files. Given examples have shown that the tool is useful, and important to us. According to the best knowledge of the authors, such tool has been introduced in this paper for the first time.