XML Resource

XRC, or XML Resource, or XML Based Resource System is a cross-platform XML-based user interface markup language used by wxWidgets. XRC allows graphical user interface elements, such as dialogs, menu bars and toolbars, to be stored as XML, which can be loaded into the application at run-time or translated into a target programming language and compiled.
Tools.
Specialized software tools, generally graphical user interface builder or rapid application development (RAD), allow creation of XRC files, among them are: