Re: having difficulty getting the unit to use an include file
- From: "Adam Sandler" <corn29@xxxxxxxxxx>
- Date: 30 Aug 2005 07:18:47 -0700
Rob Kennedy wrote:
> Adam Sandler wrote:
> > But first, here's the contents of my include file:
> >
> > type
> > mailingListRecord = record
> > givenName : string;
> > familyName : string;
> > address : string;
> > city : string;
> > state : string;
> > postalCode : Integer;
> > end;
>
> OK. Note that the file contains a type declaration. A type declaration.
> Remember that for later.
>
> > And here's the unit file:
> >
> > unit IncludeExample;
> >
> > interface
> >
> > uses
> > Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
> > Dialogs,
> > StdCtrls;
> >
> > {$I RecordExample.inc}
>
> If it would help you, just copy the contents of RecordExample.inc and
> paste them into this file, in place of the $I directive. That's all the
> compiler does, after all. Seeing the text of your unit the same as the
> compiler sees it might help you notice the error.
Thanks for the advice... I did this and it showed me where I was going
wrong. Thanks again!
> > type
> > TForm1 = class(TForm)
> > myMemo: TMemo;
> > procedure FormCreate(Sender: TObject);
> > private
> > { Private declarations }
> > public
> > { Public declarations }
> > end;
> >
> > var
> > Form1: TForm1;
>
> So the interface section of the IncludeExample unit contains three
> things: A record-type declaration for mailingListRecord, a class-type
> declaration for TForm1, and a variable declaration for Form1.
>
> > implementation
> >
> > {$R *.DFM}
> >
> > procedure TForm1.FormCreate(Sender: TObject);
> >
> > begin
> > mailingListRecord.givenName := 'joe';
>
> You can't assign values to types. Remember what mailingListRecord is?
>
> > myMemo.Lines.Clear;
> > myMemo.Lines.Add(mailingListRecord.givenName);
> > end;
> >
> > end.
> >
> > At first I though the problem was because I didn't declare the record.
> > But that wasn't it because if I put mailingListRecord :
> > TMailingListRecord; in the interface section, I get a identifier
> > redeclared error.
>
> Of course. You've already declared "mailingListRecord" to be the name of
> a type. I have no idea what "TMailingListRecord" is, and neither does
> the compiler.
>
> > When I try to send text to any of the strings
> > declared in the record, I get an error stating object or class type
> > required.
>
> Yep.
>
> --
> Rob
.
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- From: Adam Sandler
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