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GetKeyboardLayout (user32)
 
.
Summary

C# Signature:

[DllImport("user32.dll")]
static extern bool GetKeyboardLayoutName([Out] StringBuilder pwszKLID);

or you can use this approach (see also the sample code below)

[DllImport("user32")]
public static extern bool GetKeyboardLayoutName(IntPtr pwszKLID);

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

  [DllImport("user32")]
  public static extern bool GetKeyboardLayoutName(IntPtr pwszKLID);
  System.Text.StringBuilder locale = new System.Text.StringBuilder(new string(' ', 256));
  int length;
  string keyboardLanguage;
  length = GetKeyboardLayoutName(locale);
  keyboardLanguage = locale.ToString().Substring(0, length);

Alternative Managed API:

Do you know one? Please contribute it!

Documentation

Mapping of all keyboard layout IDs on Windows 7 to their respective names

    using System;
    using System.Runtime.InteropServices;
    using System.Text;
    using System.Windows.Input;

    namespace DesktopDictation.DeviceButtonMappings
    {
      public class KeyboardLayout
      {
    const int KL_NAMELENGTH = 9;

    [DllImport("user32.dll")]
    private static extern long GetKeyboardLayoutName(StringBuilder pwszKLID);

    public static string GetLayoutCode()
    {
      var name = new StringBuilder(KL_NAMELENGTH);
      GetKeyboardLayoutName(name);

      return name.ToString();
    }

    public static String MapLayoutName(string code = null)
    {
      if (code == null)
        code = GetLayoutCode();

      switch (code)
      {
        case "0000041C":
          return "Albanian";
        case "00000401":
          return "Arabic (101)";
        case "00010401":
          return "Arabic (102)";
        case "00020401":
          return "Arabic (102) Azerty";
        case "0000042B":
          return "Armenian eastern";
        case "0001042B":
          return "Armenian Western";
        case "0000044D":
          return "Assamese - inscript";
        case "0000082C":
          return "Azeri Cyrillic";
        case "0000042C":
          return "Azeri Latin";
        case "0000046D":
          return "Bashkir";
        case "00000423":
          return "Belarusian";
        case "0000080C":
          return "Belgian French";
        case "00000813":
          return "Belgian (period)";
        case "0001080C":
          return "Belgian (comma)";
        case "00000445":
          return "Bengali";
        case "00010445":
          return "Bengali - inscript (legacy)";
        case "00020445":
          return "Bengali - inscript";
        case "0000201A":
          return "Bosnian (cyrillic)";
        case "00030402":
          return "Bulgarian";
        case "00000402":
          return "Bulgarian(typewriter)";
        case "00010402":
          return "Bulgarian (latin)";
        case "00020402":
          return "Bulgarian (phonetic)";
        case "00040402":
          return "Bulgarian (phonetic traditional)";
        case "00011009":
          return "Canada Multilingual";
        case "00001009":
          return "Canada French";
        case "00000C0C":
          return "Canada French (legacy)";
        case "00000404":
          return "Chinese (traditional) - us keyboard";
        case "00000804":
          return "Chinese (simplified) -us keyboard";
        case "00000C04":
          return "Chinese (traditional, hong kong s.a.r.) - us keyboard";
        case "00001004":
          return "Chinese (simplified, singapore) - us keyboard";
        case "00001404":
          return "Chinese (traditional, macao s.a.r.) - us keyboard";
        case "00000405":
          return "Czech";
        case "00020405":
          return "Czech programmers";
        case "00010405":
          return "Czech (qwerty)";
        case "0000041A":
          return "Croatian";
        case "00000439":
          return "Deanagari - inscript";
        case "00000406":
          return "Danish";
        case "00000465":
          return "Divehi phonetic";
        case "00010465":
          return "Divehi typewriter";
        case "00000413":
          return "Dutch";
        case "00000425":
          return "Estonian";
        case "00000438":
          return "Faeroese";
        case "0000040B":
          return "Finnish";
        case "0001083B":
          return "Finnish with sami";
        case "0000040C":
          return "French";
        case "00011809":
          return "Gaelic";
        case "00000437":
          return "Georgian";
        case "00020437":
          return "Georgian (ergonomic)";
        case "00010437":
          return "Georgian (qwerty)";
        case "00000407":
          return "German";
        case "00010407":
          return "German (ibm)";
        case "0000046F":
          return "Greenlandic";
        case "00000468":
          return "Hausa";
        case "0000040D":
          return "Hebrew";
        case "00010439":
          return "Hindi traditional";
        case "00000408":
          return "Greek";
        case "00010408":
          return "Greek (220)";
        case "00030408":
          return "Greek (220) latin";
        case "00020408":
          return "Greek (319)";
        case "00040408":
          return "Greek (319) latin";
        case "00050408":
          return "Greek latin";
        case "00060408":
          return "Greek polyonic";
        case "00000447":
          return "Gujarati";
        case "0000040E":
          return "Hungarian";
        case "0001040E":
          return "Hungarian 101 key";
        case "0000040F":
          return "Icelandic";
        case "00000470":
          return "Igbo";
        case "0000085D":
          return "Inuktitut - latin";
        case "0001045D":
          return "Inuktitut - naqittaut";
        case "00001809":
          return "Irish";
        case "00000410":
          return "Italian";
        case "00010410":
          return "Italian (142)";
        case "00000411":
          return "Japanese";
        case "0000044B":
          return "Kannada";
        case "0000043F":
          return "Kazakh";
        case "00000453":
          return "Khmer";
        case "00000412":
          return "Korean";
        case "00000440":
          return "Kyrgyz cyrillic";
        case "00000454":
          return "Lao";
        case "0000080A":
          return "Latin america";
        case "00000426":
          return "Latvian";
        case "00010426":
          return "Latvian (qwerty)";
        case "00010427":
          return "Lithuanian";
        case "00000427":
          return "Lithuanian ibm";
        case "00020427":
          return "Lithuanian standard";
        case "0000046E":
          return "Luxembourgish";
        case "0000042F":
          return "Macedonian (fyrom)";
        case "0001042F":
          return "Macedonian (fyrom) - standard";
        case "0000044C":
          return "Malayalam";
        case "0000043A":
          return "Maltese 47-key";
        case "0001043A":
          return "Maltese 48-key";
        case "0000044E":
          return "Marathi";
        case "00000481":
          return "Maroi";
        case "00000450":
          return "Mongolian cyrillic";
        case "00000850":
          return "Mongolian (mongolian script)";
        case "00000461":
          return "Nepali";
        case "00000414":
          return "Norwegian";
        case "0000043B":
          return "Norwegian with sami";
        case "00000448":
          return "Oriya";
        case "00000463":
          return "Pashto (afghanistan)";
        case "00000429":
          return "Persian";
        case "00000415":
          return "Polish (programmers)";
        case "00010415":
          return "Polish (214)";
        case "00000816":
          return "Portuguese";
        case "00000416":
          return "Portuguese (brazillian abnt)";
        case "00010416":
          return "Portuguese (brazillian abnt2)";
        case "00000446":
          return "Punjabi";
        case "00010418":
          return "Romanian (standard)";
        case "00000418":
          return "Romanian (legacy)";
        case "00020418":
          return "Romanian (programmers)";
        case "00000419":
          return "Russian";
        case "00010419":
          return "Russian (typewriter)";
        case "0002083B":
          return "Sami extended finland-sweden";
        case "0001043B":
          return "Sami extended norway";
        case "00000C1A":
          return "Serbian (cyrillic)";
        case "0000081A":
          return "Serbian (latin)";
        case "0000046C":
          return "Sesotho sa Leboa";
        case "00000432":
          return "Setswana";
        case "0000045B":
          return "Sinhala";
        case "0001045B":
          return "Sinhala -Wij 9";
        case "0000041B":
          return "Slovak";
        case "0001041B":
          return "Slovak (qwerty)";
        case "00000424":
          return "Slovenian";
        case "0001042E":
          return "Sorbian extended";
        case "0002042E":
          return "Sorbian standard";
        case "0000042E":
          return "Sorbian standard (legacy)";
        case "0000040A":
          return "Spanish";
        case "0001040A":
          return "Spanish variation";
        case "0000041D":
          return "Swedish";
        case "0000083B":
          return "Swedish with sami";
        case "00000807":
          return "Swiss german";
        case "0000100C":
          return "Swiss french";
        case "0000045A":
          return "Syriac";
        case "0001045A":
          return "Syriac phonetic";
        case "00000428":
          return "Tajik";
        case "00000449":
          return "Tamil";
        case "00000444":
          return "Tatar";
        case "0000044A":
          return "Telugu";
        case "0000041E":
          return "Thai Kedmanee";
        case "0002041E":
          return "Thai Kedmanee (non-shiftlock)";
        case "0001041E":
          return "Thai Pattachote";
        case "0003041E":
          return "Thai Pattachote (non-shiftlock)";
        case "00000451":
          return "Tibetan (prc)";
        case "0001041F":
          return "Turkish F";
        case "0000041F":
          return "Turkish Q";
        case "00000442":
          return "Turkmen";
        case "00000422":
          return "Ukrainian";
        case "00020422":
          return "Ukrainian (enhanced)";
        case "00000809":
          return "United Kingdom";
        case "00000452":
          return "United Kingdom Extended";
        case "00000409":
          return "United States";
        case "00010409":
          return "United States - dvorak";
        case "00030409":
          return "United States - dvorak left hand";
        case "00050409":
          return "United States - dvorak right hand";
        case "00004009":
          return "United States - india";
        case "00020409":
          return "United States - international";
        case "00000420":
          return "Urdu";
        case "00010480":
          return "Uyghur";
        case "00000480":
          return "Uyghur (legacy)";
        case "00000843":
          return "Uzbek cyrillic";
        case "0000042A":
          return "Vietnamese";
        case "00000485":
          return "Yakut";
        case "0000046A":
          return "Yoruba";
        case "00000488":
          return "Wolof";

        default:
          return "unknown";
      }
    }
      }
    }

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