Converting a stand-alone Delphi-made .tlb file to .ridl

How does one convert a stand-alone .tlb file created in a pre-2009 version of Delphi to a .ridl file using Delphi 2010? .tlb files that are part of projects get automatically converted, but this particu开发者_如何转开发lar file is not part of any project.

try using the tlibimp.exe utility located in C:\Program Files\Embarcadero\RAD Studio\7.0\bin

tlibimp –I thetlbfile.tlb