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E2139 Illegal message method index (Object Pascal)
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You have specified value for your message index which <= 0.
program Produce; type Base = class procedure Dynamo(VAR x : Integer); message -151; end; procedure Base.Dynamo(VAR x : Integer); begin end; begin end.
The specification of -151 as the message index is illegal in the above example.
program Solve; type Base = class procedure Dynamo(VAR x : Integer); message 151; end; procedure Base.Dynamo(VAR x : Integer); begin end; begin end.
Always make sure that your message index values are >= 1.