FileInfo - GetDirectoryFullName

A FileInfo extension method that gets directory full name.

Try it

public static void Main()
{
	string FileName = "folder\\subfolder\\test.txt";
			
	// C# Extension Method: FileInfo - GetDirectoryFullName
	string dirFullName = FileName.ToFileInfo().GetDirectoryFullName();
	
	Console.WriteLine(dirFullName);
}

View Source 
using System;
using System.IO;

public static partial class Extensions
{
    /// <summary>
    ///     A FileInfo extension method that gets directory full name.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <returns>The directory full name.</returns>
    public static String GetDirectoryFullName(this FileInfo @this)
    {
        return @this.Directory.FullName;
    }
}