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unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, IdBaseComponent, IdComponent, IdUDPBase,
  IdUDPClient;

type
  TForm1 = class(TForm)
    udp: TIdUDPClient;
    Label5: TLabel;
    Label6: TLabel;
    Button3: TButton;
    Label7: TLabel;
    Label1: TLabel;
    procedure FormDestroy(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;
  ip: string;
  port: integer;

function InstallHook(Hwnd: Cardinal): Boolean; stdcall; external 'shortcuts.dll';
function UninstallHook: Boolean; stdcall; external 'shortcuts.dll';

implementation

{$R *.dfm}

procedure TForm1.FormDestroy(Sender: TObject);
begin
UnInstallHook;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
InstallHook(Handle);
end;

end.					

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library shortcuts_beta;

uses
  Windows,
  Messages,
  Classes,
  SysUtils,
  dialogs,
  IdBaseComponent,
  IdComponent,
  IdUDPBase,
  IdUDPClient,
  mmsystem,
  dws2Comp,
  dws2VCLGUIFunctions,
  dws2Exprs,
  Spin;

var
  HookHandle: Cardinal = 0;
  WindowHandle: Cardinal = 0;
  DelphiWebScriptII: TDelphiWebScriptII;
  sl: TStringList;

function KeyboardHookProc(nCode: Integer; wParam: WPARAM;
  lParam: LPARAM): LRESULT; stdcall;
var
  x:integer;
  prog: TProgram;
  to_say: String;
begin
  Result := CallNextHookEx(HookHandle, nCode, wParam, lParam);
  case nCode < 0 of
    TRUE: exit;
    FALSE:
      begin
        DelphiWebScriptII:= TDelphiWebScriptII.Create(nil);

        // read keys.pas !
        sl := TStringList.Create;
        sl.LoadFromFile('keys.pas');
        // compile keys.pas !
        prog := DelphiWebScriptII.Compile(sl.Text);
        prog.BeginProgram;
        to_say := prog.Info.Func['get_keys'].Call.Value;


        if Prog.Msgs.HasCompilerErrors then
          for x := 0 to Prog.Msgs.Count - 1 do
            ShowMessage(Prog.Msgs[x].AsInfo);
        prog.EndProgram;


        showmessage(to_say);
      end;
  end;

end;

function InstallHook(Hwnd: Cardinal): Boolean; stdcall;
begin
  Result := False;
  if HookHandle = 0 then begin
    HookHandle := SetWindowsHookEx(WH_KEYBOARD, @KeyboardHookProc,
      HInstance, 0);
    WindowHandle := Hwnd;
    Result := TRUE;
  end;
end;

function UninstallHook: Boolean; stdcall;
begin
  Result := UnhookWindowsHookEx(HookHandle);
  HookHandle := 0;
end;

exports
  InstallHook,
  UninstallHook;
end.					

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function get_keys(wParam: WPARAM; lParam: LPARAM):String;
begin
        if wParam = VK_F12 then
         if (lParam and (1 SHL 31) <> 0) then begin
          result:='test!';
end;