procedure TFrmMain.showSignInDialog();
begin
  signInDlg := TDlgSignIn.NewSignIn(); // THIS LINE IS OKAY
  signInDlg := TDlgSignIn.Create(Application); // THIS LINE IS OKAY
  signInDlg := TDlgSignIn.Create(nil); // THIS LINE CAUSES COMPILER ERROR
  { ERROR IS:
    [Error]: Expected a type reference, instead found TComponent (REPEATED 5 TIMES)
    [Error] Main.wbs (39,27): Cannot find a function, procedure, or method declaration that matches the Create reference
    [Error] Main.wbs (39,16): Invalid expression type found, expected variant or class instance
    [Error] Main.wbs (39,16): Invalid expression type found, expected variant or class instance
  }
end;

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 Comments

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The issue was that the WebCore unit was removed (that's where the TComponent type is declared) from the uses clause in the interface section of the Main unit. If it is added back in, then the errors go away.

There still was an issue in the compiler, however, which was that the compiler was pulling in a type declaration (and using it with the "nil" parameter reference to resolve the Create constructor call) that the compiler doesn't actually have access to. Constant expressions are the only place where this occurs, but I needed to add a check for this to make sure that the compiler always resolves such references and doesn't issue that bogus error message.

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 Resolution

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Fixed Problem on 9/8/2021 in version 3.02 build 1

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 Products Affected

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Elevate Web Builder
Elevate Web Builder Trial