如何捕获电子邮件

Question

我在Outlook中创建了一个基本的自定义任务窗格.

我想拖动一封电子邮件并将其放入任务窗格.当被删除时,它应该允许我将电子邮件捕获为我猜的对象,允许我用它来做事情,例如保存到sharepoint位置.

那可能吗？如果是这样,任何指针？

我使用的是VS2013 C#.NET 4.0,加载项适用于Outlook 2010/2013.

Answer 1

先决条件和设置

• Windows 10专业版
• Visual Studio 2013 Ultimate与Office开发
• 带有电子邮件帐户的Outlook 2013

项目

• 在Visual Studio中,选择"新建项目" - >"Visual C#" - >"Office/SharePoint" - >"Office加载项" - >"Outlook 2013加载项"
• 右键单击项目 - >添加 - >用户控件

• 打开"ThisAddIn.cs"并将以下代码添加到"ThisAddIn_Startup"方法:

  var myCustomPane= this.CustomTaskPanes.Add(new UserControl1(), "My Pane");
  myCustomPane.Visible = true;
  

拖放消息

• 双击解决方案资源管理器中的UserControl1.这将打开设计器窗口.

• 在Properties中设置AllowDrop = True并挂钩两个事件处理程序DragDrop和DragEnter.

  private void UserControl1_DragEnter(object sender, DragEventArgs e)
  {
      // if you want to read the message data as a string use this:
      if (e.Data.GetDataPresent(DataFormats.UnicodeText))
      {
          e.Effect = DragDropEffects.Copy;
      }
      // if you want to read the whole .msg file use this:
      if (e.Data.GetDataPresent("FileGroupDescriptorW") && 
          e.Data.GetDataPresent("FileContents"))
      {
          e.Effect = DragDropEffects.Copy;
      }
  }
  
  private void UserControl1_DragDrop(object sender, DragEventArgs e)
  {
      // to read basic info about the mail use this:
      var text = e.Data.GetData(DataFormats.UnicodeText).ToString();
      var message = text.Split(new string[] { "\r\n" }, StringSplitOptions.None)[1];
      var parts = message.Split('\t');
      var from = parts[0]; // Email From
      var subject = parts[1]; // Email Subject
      var time = parts[2]; // Email Time
  
      // to get the .msg file contents use this:
      // credits to "George Vovos", http://stackoverflow.com/a/43577490/1093508
      var outlookFile = e.Data.GetData("FileGroupDescriptor", true) as MemoryStream;
      if (outlookFile != null)
      {
          var dataObject = new iwantedue.Windows.Forms.OutlookDataObject(e.Data);
  
          var filenames = (string[])dataObject.GetData("FileGroupDescriptorW");
          var filestreams = (MemoryStream[])dataObject.GetData("FileContents");
  
          for (int fileIndex = 0; fileIndex < filenames.Length; fileIndex++)
          {
              string filename = filenames[fileIndex];
              MemoryStream filestream = filestreams[fileIndex];
  
              // do whatever you want with filestream, e.g. save to a file:
              string path = Path.GetTempPath() + filename;
              using (var outputStream = File.Create(path))
              {
                  filestream.WriteTo(outputStream);
              }
          }
      }
  }
  

您可以从CodeProject获取"iwantedue.Windows.Forms.OutlookDataObject",也可以使用此GitHub要点.

演示