TIdSysNativeVCL = class(TIdSysVCL);

TIdSysNativeVCL is a TIdSysVCL descendant that implements the Sys class helper for environments with native support for the Borland VCL. TIdSysNativeVCL contains additional class methods that extend the ancestor class to include support for common string handling routinesfound in the Borland VCL and RTL.