ASCII код для PrintScreen
Материал из DRKB
ASCII код для PrintScreen[править | править код]
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
{$R *.dfm}
procedure TForm1.AppIdle(Sender: TObject; var Done: Boolean);
begin
if GetAsyncKeyState(VK_SNAPSHOT) <> 0 then
Form1.Caption := 'PrintScreen pressed!';
Done := True;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Application.OnIdle := AppIdle;
end;
end.
ID: 01528
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
{ Private declarations }
procedure WMHotKey(var Msg: TWMHotKey); message WM_HOTKEY;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$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;
Source: Взято из http://forum.sources.ru
ID: 01529