Development Class C#

using System;
using System.IO;
static class SssUtils
{
    public static string FindExecutable(string name)
    {
        string systemPath = Environment.GetEnvironmentVariable("PATH");
        if (systemPath == null)
            systemPath = "";
        // Search all directories in path
        foreach (string pathItem in systemPath.Split(Path.PathSeparator))
        {
            string item = pathItem.Trim();
            if (!Directory.Exists(item))
                continue;
            string file = Path.GetFullPath(Path.Combine(item, name));
            if (File.Exists(file))
                return Path.GetFullPath(file);
        }
        return null;
    }
}