[Lazarus] How to use data from stringlist in another form.

[appjaws]

On 27/03/13 08:06, Antonio Fortuny wrote:
> Le 26/03/2013 15:14, appjaws a écrit :
>> I have 2 forms, form 1 calls form 2 on a buttonclick process.
>> Form 2 loads a string list, operations are carried out and the
>> stringlist is saved.
>
> on FormMain:
> ...
> implementation
> uses
>    unit2;
>
> procedure TFrmMain.Button1Click(Sender: TObject);
> begin
>    if Form1.List.Count = 0 then
>      Form1.LoadList;
>    // do whatever do to to compare
> end;
> ==============================================
> on second form:
> unit unit2;
> {$mode objfpc}{$H+}
> interface
> uses
>    Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs;
> type
>    { TForm1 }
>    TForm1 = class(TForm)
>      procedure FormCreate(Sender: TObject);
>      procedure FormDestroy(Sender: TObject);
>    private
>      { private declarations }
>      FList: TStringList;
>    public
>      { public declarations }
>      procedure LoadList;
>
>      property List: TStringList read FList;
>    end;
>
> var
>    Form1: TForm1;
> implementation
> {$R *.lfm}
> { TForm1 }
> procedure TForm1.FormCreate(Sender: TObject);
> begin
>    FList := TStringList.Create;
> end;
>
> procedure TForm1.FormDestroy(Sender: TObject);
> begin
>    FList.Free
> end;
>
> procedure TForm1.LoadList;
> begin
>    FList.LoadFromFile('myfile.txt')
> end;
>
> end.

Thank you Antonio,
works well with no errors.
Paul


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