Copy attachements from one SharePoint list item to another

Using this method you can copy attachments from one list item to another. You can add it to SharePoint workflow or any other action.

public void CopyItem(SPListItem srcItem, SPListItem destItem) 
        { 
            foreach (string attachmentName in srcItem.Attachments) 
            { 
                SPFile file = srcItem.ParentList.ParentWeb.GetFile(srcItem.Attachments.UrlPrefix + attachmentName); 
                byte[] data = file.OpenBinary(); 
                destItem.Attachments.Add(attachmentName, data); 
            } 
            destItem.Update(); 
        }