Delphi Compiler Error
E2599 Field definition not allowed in helper type
Reason for the Error & Solution
This occurs whenever you try to define a field inside a helper type.
type
aRecord = record
end;
aHelperRecord = record helper for aRecord
A: Integer; // issues error: E2599
end;
This can be fixed by only declaring methods in the helper type.
type
aRecord = record
end;
aHelperRecord = record helper for aRecord
function A: Integer;
end;
See Also
Some record helpers:
