Tastenabfrage

[Alter Mann]

Kleiner Anhang, hab ich vergessen

Delphi-Quellcode:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    procedure FormKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure FormCreate(Sender: TObject);
  private
    { Private-Deklarationen }
    Laufe : Boolean;
    procedure MachWas;
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.MachWas;
var
  I : Integer;
begin
  Laufe := True;
  I := 0;
  while I < 32555 do
  begin
    Application.ProcessMessages;
    Inc(I);
  end;
end;

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;  Shift: TShiftState);
begin
  if (Key = 32) and not Laufe then MachWas;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Laufe := False;
end;

end.