Detect current keyboard language/layout name in multi-language computer

Question

I am trying to develop an application in C# which required to detect user selected language (keyboard layout). However two languages are installed on my computer, the code a

Answer 1

string StrCurrentLang = InputLanguage.CurrentInputLanguage.Culture.TwoLetterISOLanguageName;

up line code get you two last letter sign of current language

on the other side you can change current language by using down paragraph code

    foreach (InputLanguage lang in InputLanguage.InstalledInputLanguages)
    {

        if (lang.Culture.TwoLetterISOLanguageName != StrCurrentLang )
        {
            InputLanguage.CurrentInputLanguage = lang;
            return;
        }
    }