unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    procedure FormKeyPress(Sender: TObject; var Key: Char);
  private
    SavedPressedKey: Char;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormKeyPress(Sender: TObject; var Key: Char);
begin
  SavedPressedKey := Key;
end;

end.