Send Email from C# using Outlook's COM late binding

The following sample code shows how to send emails from Outlook and Exchange using C#. This code works with any version of Outlook because it uses Late Binding to automate Outlook. Parts of the code where taken from other websites.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Threading;

namespace LateBindingTest
{
    class OutlookEmailerLateBinding
    {

        private object oApp;
        private object oNameSpace;
        private object oOutboxFolder;

        public OutlookEmailerLateBinding()
        {
            Type outlook_app_type;
            object[] parameter = new object[1];
            //Get the excel object
            outlook_app_type = Type.GetTypeFromProgID("Outlook.Application");
            //Create instance of excel
            oApp = Activator.CreateInstance(outlook_app_type);
            //Set the parameter which u want to set
            parameter[0] = "MAPI";
            //Set the Visible property
            oNameSpace = outlook_app_type.InvokeMember("GetNamespace",
BindingFlags.InvokeMethod, null, oApp, parameter);

            var Logon_parameter = new object[4] { null, null, true, true };
            oNameSpace.GetType().InvokeMember("Logon",
BindingFlags.InvokeMethod, null, oNameSpace, Logon_parameter);

            var GetDefaultFolder_parameter = new object[1] { 6 };
            oOutboxFolder =
oNameSpace.GetType().InvokeMember("GetDefaultFolder",
BindingFlags.InvokeMethod, null, oNameSpace,
GetDefaultFolder_parameter);

            Console.WriteLine("Press enter to exit");
        }

        static void Main(string[] args)
        {
            //Variable
            try
            {
                OutlookEmailerLateBinding app = new OutlookEmailerLateBinding();
                app.SendOutlookEmail("yourname@gmail.com", "Test 1 2
3", "Test message. Testing.");
            }
            catch (Exception e)
            {
                Console.WriteLine("Error Stack {0} ", e.Message);
            }
            
            Console.ReadLine();
        }

        public void SendOutlookEmail(string toValue, string
subjectValue, string bodyValue)
        {
            var CreateItem_parameter = new object[1] { 0 };
            object oMailItem =
oApp.GetType().InvokeMember("CreateItem", BindingFlags.InvokeMethod,
null, oApp, CreateItem_parameter);

            var mail_item_type = oMailItem.GetType();
            mail_item_type.InvokeMember("To",
                BindingFlags.SetProperty, null, oMailItem, new
object[] { toValue });
            mail_item_type.InvokeMember("Subject",
                BindingFlags.SetProperty, null, oMailItem, new
object[] { subjectValue });
            mail_item_type.InvokeMember("Body",
                BindingFlags.SetProperty, null, oMailItem, new
object[] { bodyValue });
            mail_item_type.InvokeMember("Send",
                BindingFlags.InvokeMethod, null, oMailItem, null);

        }

    }
}