Thanks for your suggestions.
I did think that there was something special about TForm subclasses that was causing the problem because I have other implementations of IUserInterface that do work. It would be nice to have an explanation though because the class does compile (until I try to use it...
I'm a Java programmer trying to write a little application in DELPHI (version 4).
I have a form that implements an interface:
{ Here's the interface (simplified)}
IUserInterface = interface
procedure reportError (errorMessage: string);
end;
{ Here are the pertinent parts of...
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