如何：确定未保存项的父文件夹
此示例确定某个未保存的联系人项的父 MAPIFolder。
**适用于：**本主题中的信息适用于 Outlook 2007 和 Outlook 2010 的应用程序级项目。有关更多信息，请参见按 Office 应用程序和项目类型提供的功能。
示例
Private Sub ThisAddIn_Startup(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Me.Startup
Dim contact As Outlook.ContactItem = _
Me.Application.CreateItem(Outlook.OlItemType.olContactItem)
Dim folder As Outlook.MAPIFolder = _
TryCast(contact.Parent, Outlook.MAPIFolder)
MsgBox(folder.Name)
End Sub
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
Outlook.ContactItem contact =
this.Application.CreateItem
(Outlook.OlItemType.olContactItem)
as Outlook.ContactItem;
Outlook.MAPIFolder folder =
contact.Parent as Outlook.MAPIFolder;
MessageBox.Show(folder.Name);
}