Create and write a string containing the symbol for Pi : Unicode « I18N Internationalization « C# / CSharp Tutorial

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C# / CSharp Tutorial » I18N Internationalization » Unicode 
21.15.1.Create and write a string containing the symbol for Pi
using System;
using System.IO;
using System.Text;

class MainClass
{
    public static void Main() 
    {        
        using (StreamWriter output = new StreamWriter("output.txt")) 
        {
            string srcString = "Area = \u03A0r^2";
            output.WriteLine("Source Text : " + srcString);
        }
    }
}
21.15.Unicode
21.15.1.Create and write a string containing the symbol for Pi
21.15.2.Use GetByteCount to return the number of bytes required to encode an array of Unicode characters, using UTF8Encoding.
21.15.3.Unicode Encoding Example
21.15.4.Decode a range of elements from a byte array and store them in a Unicode character array
21.15.5.Unicode Encoding Example
21.15.6.List the Unicode code point of each of the control characters.
21.15.7.Encode a range of elements from a Unicode character array and store the encoded bytes in a range of elements in a byte array.
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