private void BtnSfoglia_MouseUp(object sender, MouseButtonEventArgs e)
        {
            switch (SelectorType)
            {
            case SelectorType.File:
                DialogUtils.File(x => {
                    if (!string.IsNullOrEmpty(x))
                    {
                        txtFilePath.Text = x;
                        OnSelection?.Invoke(x);
                    }
                });
                break;

            case SelectorType.Folder:
                DialogUtils.Folder(x => {
                    if (!string.IsNullOrEmpty(x))
                    {
                        txtFilePath.Text = x;
                        OnSelection?.Invoke(x);
                    }
                });
                break;

            default:
                break;
            }
        }