StringBuilder - AppendLineFormat

A StringBuilder extension method that appends a line format.

Try it

public static void Main()
{
	var test = new StringBuilder();

    // C# Extension Method: StringBuilder - AppendLineFormat
    test.AppendLineFormat("{0}{1}", "Fizz", "Buzz");

    Console.WriteLine(test.ToString());
}

View Source 
using System.Collections.Generic;
using System.Text;

public static partial class Extensions
{
    /// <summary>
    ///     A StringBuilder extension method that appends a line format.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <param name="format">Describes the format to use.</param>
    /// <param name="args">A variable-length parameters list containing arguments.</param>
    public static StringBuilder AppendLineFormat(this StringBuilder @this, string format, params object[] args)
    {
        @this.AppendLine(string.Format(format, args));

        return @this;
    }

    /// <summary>
    ///     A StringBuilder extension method that appends a line format.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <param name="format">Describes the format to use.</param>
    /// <param name="args">A variable-length parameters list containing arguments.</param>
    public static StringBuilder AppendLineFormat(this StringBuilder @this, string format, List<IEnumerable<object>> args)
    {
        @this.AppendLine(string.Format(format, args));

        return @this;
    }
}