Creating a COM server in VFP is easy, maybe too easy. Check the OLEPUBLIC checkbox or add the OLEPUBLIC keyword to the class definition and you are done. Building a DLL creates a COM server that you can pass to anyone who needs to interface with your application. Using a COM server in VFP is similar uneventful. Instantiate the COM server using the ProgId and call methods on the object, that's it.

When you download a file with Internet Explorer, the file is tagged as being downloaded from the internet. This has impact on a number of file types. When the file is an EXE and you execute it, you (or more specifically, your users) get a warning: