UnicodeEncoding Constructor (Boolean, Boolean, Boolean)

Parameters

• bigEndian
  Type: System.Boolean
  true to use the big-endian byte order (most significant byte first); false to use the little-endian byte order (least significant byte first).

• byteOrderMark
  Type: System.Boolean
  true to specify that a Unicode byte order mark is provided; otherwise, false.

• throwOnInvalidBytes
  Type: System.Boolean
  true to specify that an exception should be thrown when an invalid encoding is detected; otherwise, false.

Imports System.Text

Public Class Example

   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      ' Create an instance of UnicodeEncoding using little-endian byte order.
      ' This will be used for encoding.
      Dim u16LE As New UnicodeEncoding(False, True)

      ' Create two instances of UnicodeEncoding using big-endian byte order: one with error detection and one without.
      ' These will be used for decoding.
      Dim u16withED As New UnicodeEncoding(True, True, True)
      Dim u16noED As New UnicodeEncoding(True, True, False)

      ' Create byte arrays from the same string containing the following characters:
      '    Latin Small Letter Z (U+007A)
      '    Latin Small Letter A (U+0061)
      '    Combining Breve (U+0306)
      '    Latin Small Letter AE With Acute (U+01FD)
      '    Greek Small Letter Beta (U+03B2)
      '    Latin Capital Letter U with  Diaeresis (U+00DC)
      Dim myStr As String = "za" & ChrW(&H306) & ChrW(&H1FD) & ChrW(&H3B2) & ChrW(&HDC)

      ' Encode the string using little-endian byte order.
      Dim myBytes(u16LE.GetByteCount(myStr)) As Byte
      u16LE.GetBytes(myStr, 0, myStr.Length, myBytes, 0)

      ' Decode the byte array with error detection.
      outputBlock.Text &= "Decoding with error detection:" & vbCrLf
      PrintDecodedString(outputBlock, myBytes, u16withED)

      ' Decode the byte array without error detection.
      outputBlock.Text &= "Decoding without error detection:" & vbCrLf
      PrintDecodedString(outputBlock, myBytes, u16noED)

   End Sub 'Main


   ' Decode the bytes and display the string.
   Public Shared Sub PrintDecodedString(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal bytes() As Byte, ByVal enc As Encoding)

      Try
         outputBlock.Text += String.Format("   Decoded string: {0}", enc.GetString(bytes, 0, bytes.Length)) & vbCrLf
      Catch e As System.ArgumentException
         outputBlock.Text &= e.ToString() & vbCrLf
      End Try

      outputBlock.Text &= vbCrLf

   End Sub 'PrintDecodedString 

End Class 'SamplesUnicodeEncoding

using System;
using System.Text;

public class Example
{

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {

      // Create an instance of UnicodeEncoding using little-endian byte order.
      // This will be used for encoding.
      UnicodeEncoding u16LE = new UnicodeEncoding(false, true);

      // Create two instances of UnicodeEncoding using big-endian byte order: one with error detection and one without.
      // These will be used for decoding.
      UnicodeEncoding u16withED = new UnicodeEncoding(true, true, true);
      UnicodeEncoding u16noED = new UnicodeEncoding(true, true, false);

      // Create byte arrays from the same string containing the following characters:
      //    Latin Small Letter Z (U+007A)
      //    Latin Small Letter A (U+0061)
      //    Combining Breve (U+0306)
      //    Latin Small Letter AE With Acute (U+01FD)
      //    Greek Small Letter Beta (U+03B2)
      //    Latin Capital Letter U with  Diaeresis (U+00DC)
      String myStr = "za\u0306\u01FD\u03B2\u00DC";

      // Encode the string using little-endian byte order.
      byte[] myBytes = new byte[u16LE.GetByteCount(myStr)];
      u16LE.GetBytes(myStr, 0, myStr.Length, myBytes, 0);

      // Decode the byte array with error detection.
      outputBlock.Text += "Decoding with error detection:" + "\n";
      PrintDecodedString(outputBlock, myBytes, u16withED);

      // Decode the byte array without error detection.
      outputBlock.Text += "Decoding without error detection:" + "\n";
      PrintDecodedString(outputBlock, myBytes, u16noED);

   }


   // Decode the bytes and display the string.
   public static void PrintDecodedString(System.Windows.Controls.TextBlock outputBlock, byte[] bytes, Encoding enc)
   {

      try
      {
         outputBlock.Text += String.Format("   Decoded string: {0}", enc.GetString(bytes, 0, bytes.Length)) + "\n";
      }
      catch (System.ArgumentException e)
      {
         outputBlock.Text += e.ToString() + "\n";
      }

      outputBlock.Text += "\n";

   }

}