VS2008开发Outlook 附件检查！

比较简单，没有什么好说的！
 1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4using Outlook = Microsoft.Office.Interop.Outlook;
 5using Office = Microsoft.Office.Core;
 6using System.Windows.Forms;
 7
 8namespace OutlookAddInAttachmentCheck
 9{
10    public partial class ThisAddIn
11    {
12        private void ThisAddIn_Startup(object sender, System.EventArgs e)
13        {
14            //this.Application.ItemSend
15            this.Application.ItemSend += new Microsoft.Office.Interop.Outlook.ApplicationEvents_11_ItemSendEventHandler(Application_ItemSend);
16        }
17
18        void Application_ItemSend(object Item, ref bool Cancel)
19        {
20            if( Item is Outlook.MailItem)
21           {
22                Outlook.MailItem myItem = (Outlook.MailItem)Item;
23               
24                if (myItem.Body.IndexOf("附件") > -1|| myItem.Body.ToUpper().IndexOf("ATTACHMENT")>-1)
25                {
26                    if (myItem.Attachments.Count == 0)
27                    {
28                        MessageBox.Show("请添加附件，因为您在邮件中提到附件!", "提醒!", MessageBoxButtons.OK);
29                        Cancel = true;
30                    }
31                }
32
33
34            }
35            
36        }
37
38        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
39        {
40        }
41
42
43
44        VSTO generated code#region VSTO generated code
45
46        /**//// <summary>
47        /// Required method for Designer support - do not modify
48        /// the contents of this method with the code editor.
49        /// </summary>
50        private void InternalStartup()
51        {
52            this.Startup += new System.EventHandler(ThisAddIn_Startup);
53            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
54        }
55        
56        #endregion
57    }
58}
59