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unit UMain;

interface

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

type
  TForm1 = class(TForm)
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

type
  PHWND = ^HWND;

const
  WM_KEYBOARD_HOOK = WM_USER + 52012;

var
  Form1: TForm1;
  hHook: LongWord = 0;
  Key: Word;
  KeyboardLayout: HKL;
  GetShiftKeys: Boolean;
  hWndBuffer: PHWND;
  hMMF: THandle;

implementation

{$R *.dfm}

function KeyboardProc(nCode: Integer; wParam: LongWord; lParam: LongWord): LongWord; stdcall;
var
  LastKey: Char;
  KeyState: TKeyboardState;
begin
  Result:=CallNextHookEx(hHook,nCode,wParam,lParam);
  if nCode<0 then
    Exit
  else begin
    KeyboardLayout:=GetKeyboardLayout(0);
    GetKeyboardState(KeyState);
    if ToAsciiEx(wParam,MapVirtualKeyEx(wParam,2,KeyboardLayout),KeyState,@LastKey,0,KeyboardLayout)>0 then
      Key:=Ord(LastKey)
    else
      Key:=wParam;
    if (lParam and $80000000)=0 then
      if not (wParam in [16,17,18]) or GetShiftKeys then
        PostMessage(hwndBuffer^,WM_KEYBOARD_HOOK,Key,GetActiveWindow);
  end;
end;

function CreateHook(hWnd: HWND; ShiftKeys: Boolean): Boolean; external 'KBHook.dll';
function DeleteHook: Boolean; external 'KBHook.dll';

end.