private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
RichText.Focus();
if (!InputLanguageManager.Current.CurrentInputLanguage.EnglishName.Contains("English"))
{
var original = System.Windows.Forms.InputLanguage.CurrentInputLanguage;
var language = System.Windows.Forms.InputLanguage.FromCulture(CultureInfo.GetCultureInfo("en-us"));
if (System.Windows.Forms.InputLanguage.InstalledInputLanguages.IndexOf(language) >= 0)
{
System.Windows.Forms.InputLanguage.CurrentInputLanguage = language;
}
else
{
System.Windows.Forms.InputLanguage.CurrentInputLanguage =
System.Windows.Forms.InputLanguage.DefaultInputLanguage;
}
}
}