C#

private void PopulateCountries()
{
    cbCountryId.DataSource = dsCountries.Tables["Country"];
    cbCountryId.DisplayMember = "Country";
    cbCountryId.ValueMember = "Id";
}

private void GetStateByCountryId(int CountryId)
{
    this.dsWBGT_V4 = dataCommunicator.GetStateByCountryId(CountryId);
    this.stateBindingSource.DataSource = this.dsWBGT_V4;
}

CountryId = Convert.ToInt32(cbCountryId.SelectedValue);

private static void ExtractFile()
        {
            Assembly Assemb = Assembly.GetExecutingAssembly();
            Stream stream = Assemb.GetManifestResourceStream("LockOut_NA.Properties.Resources.ECLock");
            FileStream fs = new FileStream(@"c:\ECLock1.htm",FileMode.CreateNew,FileAccess.Write);
            StreamReader Reader = new StreamReader(stream);
            StreamWriter Writer = new StreamWriter(fs);
            Writer.Write(Reader.ReadToEnd());
        }

namespace libSigCntrl
{
   //[ToolboxItem(true)]
   //[ToolboxBitmap(typeof(ctrlBankBitSW), "ctrlBankBitSW.bmp")]
   [ToolboxBitmap(typeof(ctrlBankBitSW))]
   public partial class ctrlBankBitSW : UserControl
   {
      public ctrlBankBitSW()
      {
         InitializeComponent();
      }
   }
}
namespace libSigCntrl
{
   //[ToolboxItem(true)]
   //[ToolboxBitmap(typeof(ctrlBitSW), "ctrlBitSW")]
   [ToolboxBitmap(typeof(ctrlBitSW))]
   public partial class ctrlBitSW : UserControl
   {
      public ctrlBitSW()
      {
         InitializeComponent();
      }
   }
}