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Creating a country list combobox, and other things

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http://www.daniweb.com – Hey all I am currently practicing my error handling processes and am having trouble filling up a combobox with a list of all the countries so that the user can choose what country they are located in. What I am creating is something like a registration form. I found an algorithm in the internet about filling up the combobox, but I do not understand it and it does not work properly in windows 7, it gets a There is no region associated with the invariant culture sort of error and does not run properly, it compiles but does not run. Here is the algorithm: private void RegisterUser_Load(object sender, EventArgs e)         {             comBoxCountry.Items.Insert(0, "-- Select Country --");             comBoxCountry.SelectedIndex = 0;             comBoxEmployeeNum.Items.Insert(0, "-- Select Number of Employees --");             comBoxEmployeeNum.SelectedIndex = 0;             comBoxReqType.Items.Insert(0, "-- Select Request Type --");             comBoxReqType.SelectedIndex = 0;             foreach (string country in getCountryList())             {                 comBoxCountry.Items.Add(country);             }             for (int i = 1; i < 51; i++)             {                 comBoxEmployeeNum.Items.Add(Convert.ToString(i));             }             for (int i = 1; i < 11; i++)             {                 comBoxReqType.Items.Add("Request " + Convert.ToString(i));             }         }         public static List<string> getCountryList()         {             List<string> cultureList = new List<string>();             CultureInfo[] cultures = CultureInfo.GetCultures(CultureTypes.AllCultures & ~CultureTypes.NeutralCultures);             foreach (CultureInfo culture in cultures)             {                 RegionInfo region = new RegionInfo(culture.LCID);                 //RegionInfo region = new RegionInfo(culture.LCID);                 if (!(cultureList.Contains(region.EnglishName)))                 {                     cultureList.Add(region.EnglishName);                 }             }             return cultureList;         } It gets the error at this line specifically: RegionInfo region = new RegionInfo(culture.LCID); I tried running this algorithm in windows xp and it works flawlessly. I don't know what's wrong here. I also do not understand the algorithm :( If anyone could show or give hints on how I can create something similar I would be very grateful! Oh and what is the difference between keypress and keydown? as I understand keypress is a combination of keydown and keyup, but that's only thing I understand about it. I am thinking of using it in my error handling processes. Thanks :D (General)