C#

<br />
StringBuilder oBuffer = new StringBuilder();<br />
            string strColorCode = "";<br />
            byte byRed = 0;<br />
            byte byGreen = 0;<br />
            byte byBlue = 0;<br />
<br />
<br />
            // Selected color can now be retreived by RGB components<br />
            byRed = oColor.R;<br />
            byGreen = oColor.G;<br />
            byBlue = oColor.B;<br />
<br />
            // Format string to get hex number for color<br />
            strColorCode = "{0:x2}{1:x2}{2:x2}";<br />
            oBuffer.AppendFormat(strColorCode, byRed, byGreen, byBlue);<br />
<br />
            return oBuffer.ToString();<br />

short sh = System.Convert.ToInt16(tbTextBox.Text, 10);<br />
tbTextBox2.Text = String.Format("{0:x2}", sh);

[StructLayout(LayoutKind.Explicit)] 
public struct SampleUnion
{
  [FieldOffset(0)] public bool Flag1;
  [FieldOffset(1)] public bool Flag2;
  [FieldOffset(2)] public bool Flag3;
  [FieldOffset(3)] public bool Flag4;
  [FieldOffset(0)] public long Composite;
}