GetConsoleHeaderString

using System;
using System.Globalization;
using System.Reflection;
using System.Text;

namespace ConsoleApplication6 {

    class Program {

        static void Main(string[] args) {
            Console.Out.WriteLine(GetConsoleHeaderString());
            Console.Out.WriteLine("See the '-?' command-line option for usage details.");
        }

        private static string GetConsoleHeaderString() {
            var description = string.Empty;
            var copyright = string.Empty;
            var product = string.Empty;

            var assembly = Assembly.GetExecutingAssembly();
            foreach(var attr in assembly.GetCustomAttributes(false)) {
                var attrType = attr.GetType();
                if(attrType == typeof(AssemblyDescriptionAttribute)) {
                    description = ((AssemblyDescriptionAttribute)attr).Description;
                }
                else if(attrType == typeof(AssemblyCopyrightAttribute)) {
                    copyright = ((AssemblyCopyrightAttribute)attr).Copyright;
                    copyright = copyright.Replace("©","(c)");
                }
                else if(attrType == typeof(AssemblyProductAttribute)) {
                    product = ((AssemblyProductAttribute)attr).Product;
                }
            }

            var assemblyName = assembly.GetName();

            // combine the information for output
            var sb = new StringBuilder();
            sb.AppendLine(string.Format(CultureInfo.InvariantCulture,"{0} (version {1})",string.IsNullOrEmpty(product) ? assemblyName.Name : product,assemblyName.Version));
            if(!string.IsNullOrEmpty(description)) { sb.AppendLine(description); }
            if(!string.IsNullOrEmpty(copyright)) { sb.AppendLine(copyright); }
            return sb.ToString();
        }
    }
}