Task Add-in Sample (C#)

csharpusing System;
using Microsoft.Office.Tools.Ribbon;
using Microsoft.Office.Interop.Outlook;

namespace TaskAddInSample{
 public partial class ThisAddIn {
 private void ThisAddIn_Startup(object sender, EventArgs e)
 {
 // Add a new ribbon button to the Outlook ribbon AddTaskButton();
 }

 private void ThisAddIn_Shutdown(object sender, EventArgs e)
 {
 // Clean up any resources used by the add-in }

 private void AddTaskButton()
 {
 // Get a reference to the Outlook application Application outlookApp = Globals.ThisAddIn.Application;

 // Get a reference to the main Outlook Explorer window Explorer explorer = outlookApp.ActiveExplorer();

 // Create a new ribbon tab RibbonTab taskTab = new RibbonTab();
 taskTab.Label = "Task Add-in";

 // Create a new ribbon group RibbonGroup taskGroup = new RibbonGroup();
 taskGroup.Label = "Tasks";

 // Create a new ribbon button RibbonButton taskButton = new RibbonButton();
 taskButton.Label = "Add Task";
 taskButton.Click += new RibbonControlEventHandler(OnTaskButtonClick);

 // Add the button to the group taskGroup.Items.Add(taskButton);

 // Add the group to the tab taskTab.Groups.Add(taskGroup);

 // Add the tab to the Outlook ribbon explorer.RibbonTabs.Add(taskTab);
 }

 private void OnTaskButtonClick(object sender, RibbonControlEventArgs e)
 {
 // Create a new task item in Outlook TaskItem task = Globals.ThisAddIn.Application.CreateItem(OlItemType.olTaskItem) as TaskItem;
 task.Subject = "New Task";
 task.Body = "This is a new task created by the Task Add-in";
 task.Save();

 // Display a message to the user System.Windows.Forms.MessageBox.Show("New task added to Outlook");
 }

 #region VSTO generated code /// <summary>
 /// Required method for Designer support - do not modify /// the contents of this method with the code editor.
 /// </summary>
 private void InternalStartup()
 {
 this.Startup += new System.EventHandler(ThisAddIn_Startup);
 this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
 }

 #endregion }
}