// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002559/object-toordefault

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        object val1 = 123;

        object val2 = "1033.67";

        object date = "06 July 2008 7:32:47 AM";

        object str = "A100";

        string format = "{0, -30} {1, -15} {2, -15}";

        Console.WriteLine(format, "Object", "To", "Value");

        Console.WriteLine(format, "------", "--", "-----");

        // C# Extension Method: Object - ToOrDefault

        var result1 = val1.ToOrDefault<int>();

        var result2 = val2.ToOrDefault<double>();

        var result3 = date.ToOrDefault<DateTime>();

        var result4 = str.ToOrDefault<string>();

        var result5 = str.ToOrDefault<int>(0);

        Console.WriteLine(format, val1, result1.GetTypeCode(), result1);

        Console.WriteLine(format, val2, result2.GetTypeCode(), result2);

        Console.WriteLine(format, date, result3.GetTypeCode(), result3);

        Console.WriteLine(format, str, result4.GetTypeCode(), result4);

        Console.WriteLine(format, str, result5.GetTypeCode(), result5);

    }

}