Question

我想要计算收到的邮件数量，在主题行中有'xyz'字样。但我不想让它重复计算，我的意思是如果我收到主题'xyz'的邮件，我会回复它包括我自己，我希望它被计为1而不是2.在展望中是否可能？

Answer 1

是的，这可能是肯定的，你没有指定你会使用的技术但是使用互操作的示例代码可能是：

var outlookApp = new Outlook.Application();
var mapi = outlookApp.GetNamespace("MAPI")
var root = mapi.GetDefaultFolder(OlDefaultfolders.olFolderInbox)

var folders = root.Folders;
int count = 0;
for(int i = folders.Count; i >= 1; i--)
{

  var folder = folders[i];
  count += GetCount(folder, 0);

  Marshal.ReleaseComObject(folder);

}
Marshal.ReleaseComObject(folders);

//... function
private int GetCount(MAPIFolder folder, int count)
{

  var folderItems = folder.Items;
  if(folderItems != null && folderItems.Count >= 1)
     {
         for(int i = folderItems.Count; i >= 1; i--)
         {
          //Check item.Subject for string logic
           count++;
          //Add item in collection variable to check duplicates, 
          //generate an id with subject + creationtime for tracking?
         }
     }
  if(folder.Folders != null && folder.Folders >= 1)
    {
        var subFolders = folder.Folders;
        for(int i = subfolders.Count; i >= 1; i--)
          {
             var subFolder = subFolders[i]
             count += GetCount(subFolder, count);
             Marshal.ReleaseComObject(subfolder);
          }
    }
   Marshal.ReleaseComObject(folderItems);
   return count;
 }

希望它有所帮助，

计算outlook文件夹中的电子邮件数量

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