The functions and macros defined in the wx.xrc module are described here: you can look up a function using the alphabetical listing of them.
wx.xrc.EmptyXmlResource(flags=XRC_USE_LOCALE, domain="")¶A compatibility wrapper for the XmlResource(flags, domain) constructor
wx.xrc.XRCCTRL(window, str_id, *ignoreargs)¶Returns the child window associated with the string ID in an XML resource.
wx.xrc.XRCID(str_id, value_if_not_found=ID_NONE)¶Returns a numeric ID that is equivalent to the string ID used in an XML resource.