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uses
  ShellAPI;

procedure TForm1.JumpToKey(Key: string; value:string);
var
  i, n: Integer;
  hWin, htWin, hlWin: HWND;
  ExecInfo: ShellExecuteInfoA;
begin
  hWin := FindWindowA(PChar('RegEdit_RegEdit'), nil); // не стоит вызывать Ansi-варианты. Лучше вызывать как есть ("FindWindow")
  if hWin = 0 then
  begin
    FillChar(ExecInfo, 60, #0);
    with ExecInfo do
    begin
      cbSize := 60;
      fMask  := SEE_MASK_NOCLOSEPROCESS;
      lpVerb := PChar('open');
      lpFile := PChar('regedit.exe');
      nShow  := 1;
    end;
    ShellExecuteExA(@ExecInfo);
    sleep(500);
    WaitForInputIdle(ExecInfo.hProcess, 200);
    hWin := FindWindowA(PChar('RegEdit_RegEdit'), nil);
  end;
  ShowWindow(hWin, SW_SHOWNORMAL);
  htWin := FindWindowExA(hWin, 0, PChar('SysTreeView32'), nil);
  SetForegroundWindow(htWin);
  i := 30;
  sleep(700);
  repeat
    WaitForInputIdle(ExecInfo.hProcess, 200);
    SendMessageA(htWin, WM_KEYDOWN, VK_LEFT, 0);
    Dec(i);
  until i = 0;
  sleep(700);
  WaitForInputIdle(ExecInfo.hProcess, 200);
  SendMessageA(htWin, WM_KEYDOWN, VK_RIGHT, 0);
  sleep(700);
  i := 1;
  n := Length(Key);
  repeat
    WaitForInputIdle(ExecInfo.hProcess, 200);
    if Key[i] = '\' then
    begin
    SendMessageA(htWin, WM_KEYDOWN, VK_RIGHT, 0);
    end
    else
      SendMessageA(htWin, WM_CHAR, Integer(Key[i]), 0);
    i := i + 1;
  until i = n;
  sleep(500);
  WaitForInputIdle(ExecInfo.hProcess, 200);

  if value <> '' then
  begin
    hlWin := FindWindowExA(hWin, 0, PChar('SysListView32'), nil);
    SetForegroundWindow(hlWin);
    i := 30;
    repeat
      //WaitForInputIdle(ExecInfo.hProcess, 200);
      SendMessageA(hlWin, WM_KEYDOWN, VK_LEFT, 0);
      Dec(i);
    until i = 0;

    i := 1;
    n := Length(value);
    repeat
      //WaitForInputIdle(ExecInfo.hProcess, 200);
      SendMessageA(hlWin, WM_CHAR, Integer(value[i]), 0);
      i := i + 1;
    until i = n;
  end;

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
JumpToKey('HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Current\Version\Run','CTFMON.EXE');
end;