pinvoke.net: Edit: user32.GetKeyboardLayout

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: The GetKeyboardLayoutName API

!!!!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: GetKeyboardLayoutName@msdn on MSDN

!!!!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";
          }
        }
      }
    }