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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, Mask, ComCtrls;
type
TSpeichern = record
a, z: string[10]
TForm1 = class(TForm)
Edit1: TEdit;
Memo1: TMemo;
OpenDialog1: TOpenDialog;
SaveDialog1: TSaveDialog;
procedure BTNSpeichernClick(Sender: TObject);
procedure BTNLadenClick(Sender: TObject);
private
Speichern: TSpeichern;
procedure Schreibe;
procedure Lese;
procedure Schreiben(datei_name: string);
procedure Lesen(datei_name: string);
public
end;
procedure TForm1.BTNLadenClick(Sender: TObject);
begin
Opendialog1.Execute;
if FileExists(OpenDialog1.FileName) then begin
Lesen(OpenDialog1.Filename);
end
else
ShowMessage('Keine datei zum Laden gefunden!');
end;
procedure TForm1.BTNSpeichernClick(Sender: TObject);
begin
SaveDialog1.Execute;
Schreiben(SaveDialog1.FileName);
ShowMessage(Format('Datensatz in %s gespeichert!', [Savedialog1.FileName]));
end;
procedure TForm1.Lese;
begin
with Speichern do begin
Edit1.Text:=z;
Memo1.Text:=a;
end;
end;
procedure TForm1.Schreibe;
begin
with Speichern do begin
z:=Edit1.Text;
a:=Memo1.Text;
end;
end;
procedure TForm1.Schreiben(datei_name: string);
var
Strom: TFileStream;
begin
Schreibe;
Strom := TFileStream.Create(datei_name, fmCreate);
Strom.Write(Speichern, sizeof(TAdresse));
Strom.Free;
end;
procedure TForm1.Lesen(datei_name: string);
var
Strom: TStream;
begin
Strom:= TFileStream.Create(datei_name, fmOpenRead);
Strom.Read(Speichern, sizeof(TAdresse));
Lese;
Strom.Free;
end;
end. |
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