Just heard that, in order to realize, how to do? No contact with,
Find some vague and I don't know how to do,
A warrior has examples? How to create and how other programs call it,

Create OLE interface to realize the function of procedure, contains some feedback function, then other applications to invoke it,

Delphi beginners, for help, thank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!