Object - IsClass

A T extension method that query if '@this' is class.

Try it

public static void Main()
{
    string str = "";
    string[] strArray = {"a", "b", "c"};
    List<int> list = new List<int>();
    IEnumerable<Char> charList = new List<char> (){ 'a', 'b' };

    object[] objList = { str, strArray, 2.3, list, charList, 2 };

    foreach (var t in objList)
    {
		//C# Extension Method: Object - IsClass
        Console.WriteLine("{0,-15} IsClass = {1}", t.GetType(), t.IsClass());
    }
}

View Source
public static partial class Extensions
{
    /// <summary>
    ///     A T extension method that query if '@this' is class.
    /// </summary>
    /// <typeparam name="T">Generic type parameter.</typeparam>
    /// <param name="this">The @this to act on.</param>
    /// <returns>true if class, false if not.</returns>
    public static bool IsClass<T>(this T @this)
    {
        return @this.GetType().IsClass;
    }
}