如何：保存 Outlook 电子邮件项的附件

项目
09/10/2008

更新：2007 年 11 月

适用对象
本主题中的信息仅适用于指定的 Visual Studio Tools for Office 项目和 Microsoft Office 版本。项目类型应用程序级项目 Microsoft Office 版本 Outlook 2003 Outlook 2007 有关更多信息，请参见按应用程序和项目类型提供的功能。

本主题中的信息仅适用于指定的 Visual Studio Tools for Office 项目和 Microsoft Office 版本。

项目类型

应用程序级项目

Microsoft Office 版本

Outlook 2003
Outlook 2007

有关更多信息，请参见按应用程序和项目类型提供的功能。

此示例将电子邮件附件保存到指定的文件夹。

示例

Private Sub ThisAddIn_NewMail() Handles Application.NewMail
    Dim inBox As Outlook.MAPIFolder = Me.Application.ActiveExplorer() _
        .Session.GetDefaultFolder(Outlook. _
        OlDefaultFolders.olFolderInbox)
    Dim inBoxItems As Outlook.Items = inBox.Items
    Dim newEmail As Outlook.MailItem
    inBoxItems = inBoxItems.Restrict("[Unread] = true")
    Try
        For Each collectionItem As Object In inBoxItems
            newEmail = TryCast(collectionItem, Outlook.MailItem)
            If newEmail IsNot Nothing Then
                If newEmail.Attachments.Count > 0 Then
                    For i As Integer = 1 To newEmail.Attachments.Count
                        Dim saveAttachment As Outlook.Attachment = _
                            newEmail.Attachments(i)
                        newEmail.Attachments(i).SaveAsFile _
                            ("C:\TestFileSave\" & (newEmail _
                            .Attachments(i).FileName))
                    Next i
                End If
            End If
        Next collectionItem
    Catch ex As Exception
        If Left(ex.Message, 11) = "Cannot save" Then
            MessageBox.Show("Create Folder C:\TestFileSave")
        End If
    End Try
End Sub

private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
    this.Application.NewMail += new Microsoft.Office.Interop.Outlook
        .ApplicationEvents_11_NewMailEventHandler(ThisApplication_NewMail);
}

private void ThisApplication_NewMail()
{
    Outlook.MAPIFolder inBox = this.Application.ActiveExplorer()
        .Session.GetDefaultFolder(Outlook
        .OlDefaultFolders.olFolderInbox);
    Outlook.Items inBoxItems = inBox.Items;
    Outlook.MailItem newEmail = null;
    inBoxItems = inBoxItems.Restrict("[Unread] = true");
    try
    {
        foreach (object collectionItem in inBoxItems)
        {
            newEmail = collectionItem as Outlook.MailItem;
            if (newEmail != null)
            {
                if (newEmail.Attachments.Count > 0)
                {
                    for (int i = 1; i <= newEmail
                       .Attachments.Count; i++)
                    {
                        newEmail.Attachments[i].SaveAsFile
                            (@"C:\TestFileSave\" +
                            newEmail.Attachments[i].FileName);
                    }
                }
            }
        }
    }
    catch (Exception ex)
    {
        string errorInfo = (string)ex.Message
            .Substring(0, 11);
        if (errorInfo == "Cannot save")
        {
            MessageBox.Show(@"Create Folder C:\TestFileSave");
        }
    }
}