ASCII код для PrintScreen

Code:

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs;

type

TForm1 = class(TForm)

   procedure FormCreate(Sender: TObject);

private

   { Private declarations }

   procedure AppIdle(Sender: TObject; var Done: Boolean);

public

   { Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.AppIdle(Sender: TObject; var Done: Boolean);

begin

if GetAsyncKeyState(VK_SNAPSHOT) <> 0 then

   Form1.Caption := 'PrintScreen ia?aoa !';

Done := True;

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

Application.OnIdle := AppIdle;

end;

end.

Code:

type

TForm1 = class(TForm)

   procedure FormCreate(Sender: TObject);

   procedure FormDestroy(Sender: TObject);

private

   { Private declarations }

   procedure WMHotKey(var Msg : TWMHotKey); message WM_HOTKEY;

public

   { Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.DFM}

const id_SnapShot = 101;

procedure TForm1.WMHotKey (var Msg : TWMHotKey);

begin

if Msg.HotKey = id_SnapShot then

   ShowMessage('GotIt');

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

RegisterHotKey(Form1.Handle,

                id_SnapShot,

                0,

                VK_SNAPSHOT);

end;

procedure TForm1.FormDestroy(Sender: TObject);

begin

UnRegisterHotKey (Form1.Handle, id_SnapShot);

end;