WOW64Ext is a helper library for x86 programs that run under WOW64 layer on x64 versions of Microsoft Windows operating systems. It enables VB6 applications to read, write and enumerate memory of a native x64 applications. There is also the possibility to call any x64 function from 64-bits version of NTDLL through the function X64Call(). As a bonus, wow64ext.bas contains definitions of some structures that might be useful for programs that want to access PEB, TEB, TIB, etc.
For more information see rewolf-wow64ext.