فارسی کردن زبان نوشتن Texbox به صورت اتوماتیک در #C

InputLanguage original;
private void textBox1_Enter(object sender, EventArgs e)
{
    original = InputLanguage.CurrentInputLanguage;
    var culture = System.Globalization.CultureInfo.GetCultureInfo("fa-IR");
    var language = InputLanguage.FromCulture(culture);
    if (InputLanguage.InstalledInputLanguages.IndexOf(language) >= 0)
        InputLanguage.CurrentInputLanguage = language;
    else
        InputLanguage.CurrentInputLanguage = InputLanguage.DefaultInputLanguage;
}

private void textBox1_Leave(object sender, EventArgs e)
{
    InputLanguage.CurrentInputLanguage = original;
}

:منبع

http://stackoverflow.com/questions/35813818/how-to-change-input-language-in-a-windows-forms-application-for-a-specific-contr