zipall.cs

using System;
using System.IO;
using System.IO.Compression;

namespace ConsoleApplication {

	class Program
	{
		static void Main(string[] args)
		{
            string targetDir = string.Empty;

            if(args.Length == 1){
                targetDir = args[0];
            }

            if(IsValidPath(targetDir, false)){
                string fileOut = new DirectoryInfo(targetDir).Name + ".zip";

                try{
                    string _fileout = fileOut;
                    ZipFile.CreateFromDirectory(targetDir, fileOut);
                    Console.WriteLine("\n Zip archive was successfully created.");
                }catch(Exception exWhileZipping){
                    Console.Write("\n {0}", exWhileZipping.Message);
                }
            }else{
                Console.Write("\n Invalid path: {0}", targetDir);
            }
		}

		public static bool IsValidPath(string path, bool allowRelativePaths = false)
		{
			bool isValid = true;

			try
			{
				string fullPath = Path.GetFullPath(path);

				if (allowRelativePaths)
				{
					isValid = Path.IsPathRooted(path);
				}
				else
				{
					string root = Path.GetPathRoot(path);
					isValid = string.IsNullOrEmpty(root.Trim(new char[] { '\\', '/' })) == false;
				}
			}
			catch(Exception ex)
			{
				isValid = false;
				Console.WriteLine("\n " + ex.Message);
			}

			return isValid;
		}

	}
}