Call .Net dll in vb6

>Is it possible to convert dll to tlb.

Yes it is possible: Tlbexp.exe (Type Library Exporter)[^]

At the command prompt, type the following: tlbexp assemblyName [options]

/asmpath: directory
/help
/names: filename
/nologo
/oldnames
/out: file
/silence: warningnumber
/silent
/tlbreference: typelibraryname
/tlbrefpath: path
/win32
/win64
/verbose
/?


Displays command syntax and options for the tool.