Пожалуйста, обратите внимание, что пользователь заблокирован
Завалялось - может быть кому -то пригодиться.
Код:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, jpeg, ExtCtrls;
const
WH_KEYBOARD_LL = 13;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Button7: TButton;
Button8: TButton;
Button11: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Button9: TButton;
Button10: TButton;
Button12: TButton;
Button13: TButton;
Button14: TButton;
Button15: TButton;
Image1: TImage;
Label3: TLabel;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button9Click(Sender: TObject);
procedure Button10Click(Sender: TObject);
procedure Button12Click(Sender: TObject);
procedure Button13Click(Sender: TObject);
procedure Button14Click(Sender: TObject);
procedure Button15Click(Sender: TObject);
procedure Edit1Change(Sender: TObject);
procedure Edit1KeyPress(Sender: TObject; var Key: Char);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
HookHandle: HHOOK = 0;
implementation
{$R *.dfm}
// Процедура обработчик хука
function KeyboardHookHandler(Code, WParam, LParam: DWORD): DWORD; stdcall;
begin
Result := 1;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if HookHandle = 0 then
HookHandle := SetWindowsHookEx(WH_KEYBOARD_LL, @KeyboardHookHandler, hInstance, 0);
showmessage('Клавиатура Заблокирована!!!');
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
if edit1.text = '2012' then
begin
if HookHandle <>0 then
UnhookWindowsHookEx(HookHandle);
HookHandle:=0;
showmessage('Клавиатура Разблокирована!!!');
edit1.clear;
end
else
begin
if Edit1.Text <> '2012' then
showmessage('Код Неверный!!!');
edit1.Clear;
end;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
edit1.text:=edit1.text+'1';
end;
procedure TForm1.Button4Click(Sender: TObject);
begin
edit1.text:=edit1.text+'2';
end;
procedure TForm1.Button5Click(Sender: TObject);
begin
edit1.text:=edit1.text+'3';
end;
procedure TForm1.Button6Click(Sender: TObject);
begin
edit1.text:=edit1.text+'4';
end;
procedure TForm1.Button9Click(Sender: TObject);
begin
edit1.text:=edit1.text+'5';
end;
procedure TForm1.Button10Click(Sender: TObject);
begin
edit1.text:=edit1.text+'6';
end;
procedure TForm1.Button12Click(Sender: TObject);
begin
edit1.text:=edit1.text+'7';
end;
procedure TForm1.Button13Click(Sender: TObject);
begin
edit1.text:=edit1.text+'8';
end;
procedure TForm1.Button14Click(Sender: TObject);
begin
edit1.text:=edit1.text+'9';
end;
procedure TForm1.Button15Click(Sender: TObject);
begin
edit1.text:=edit1.text+'0';
end;
procedure TForm1.Edit1Change(Sender: TObject);
var pass:string;
begin
pass:='2012';
end;
procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if not (key in['0'..'9', #8]) then
key:=#0
end;
end.