// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002502/object-tonullablechar

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        object[] values = { 'r', "s", "word", (byte) 83, 77, 109324, 335812911,

                new DateTime(2009, 3, 10), (uint) 1934,

                (sbyte) -17, 169.34, 175.6m, null };

​

        foreach (object value in values)

        {

            try

            {

                //C# Extension Method: Object - ToNullableChar

                char? result = value.ToNullableChar();

                Console.WriteLine("The {0} value {1} converts to {2}.",

                                  value != null ? value.GetType().Name : "null", value, result);

            }

            catch (FormatException e)

            {

                Console.WriteLine(e.Message);

            }

            catch (InvalidCastException)

            {

                Console.WriteLine("Conversion of the {0} value {1} to a Char is not supported.",

                                  value.GetType().Name, value);

            }

            catch (OverflowException)

            {

                Console.WriteLine("The {0} value {1} is outside the range of the Char data type.",

                                  value.GetType().Name, value);

            }

            catch (NullReferenceException)

            {

                Console.WriteLine("Cannot convert a null reference to a Char.");

            }

        }

    }

}