HOW TO：從項目的自訂欄位讀取資料

發行項
08/12/2011

這個範例會從連絡人項目的自訂欄位讀取資料。這個範例會在名為 Picnic 的資料夾中檢查連絡人，以便查看名為 Picnic 的自訂文字欄位中是否有某個值。此程式碼會顯示值為 Potato Salad 之所有連絡人的名稱。

**適用於：**本主題中的資訊適用於 Outlook 2007 和 Outlook 2010 的應用程式層級專案。如需詳細資訊，請參閱依 Office 應用程式和專案類型提供的功能。

範例

Private Sub ThisAddIn_Startup(ByVal sender As Object, _
 ByVal e As System.EventArgs) Handles Me.Startup
    Dim result As New System.Text.StringBuilder()
    Dim contactFolder As Outlook.MAPIFolder = Me.Application.GetNamespace _
        ("MAPI").GetDefaultFolder _
        (Outlook.OlDefaultFolders.olFolderContacts). _
        Folders("Picnic")

    Dim picnicMembers As Outlook.Items = _
        contactFolder.Items.Restrict("[Picnic]='Potato Salad'")

    For Each contact As Outlook.ContactItem In picnicMembers
        result.AppendLine(contact.FullName)
    Next

    If result.Length > 0 Then
        MsgBox(result.ToString(), "Potato Salad")
    Else
        MsgBox( _
            "No contacts are assigned potato salad for the picnic.", _
            "Potato Salad")
    End If
End Sub

private void ThisAddIn_Startup(object sender,
    System.EventArgs e)
{
    System.Text.StringBuilder result =
        new System.Text.StringBuilder();

    Outlook.MAPIFolder contactFolder = this.
        Application.GetNamespace("MAPI").
        GetDefaultFolder(Outlook.OlDefaultFolders.
        olFolderContacts).Folders["Picnic"];
    Outlook.Items picnicMembers = contactFolder.Items.
        Restrict("[Picnic]='Potato Salad'");
    foreach (Outlook.ContactItem contact in picnicMembers)
    {
        result.AppendLine(contact.FullName);
    }

    if (result.Length > 0)
    {
        MessageBox.Show(result.ToString(), "Potato Salad");
    }
    else
    {
        MessageBox.Show("No contacts are assigned potato salad"
            + " for the picnic.", "Potato Salad");
    }
}