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ContentDisposition.Inline Property

Gets or sets a Boolean value that determines the disposition type (Inline or Attachment) for an e-mail attachment.

Namespace: System.Net.Mime
Assembly: System (in system.dll)

public bool Inline { get; set; }
/** @property */
public boolean get_Inline ()

/** @property */
public void set_Inline (boolean value)

public function get Inline () : boolean

public function set Inline (value : boolean)

Not applicable.

Property Value

true if content in the attachment is presented inline as part of the e-mail body; otherwise, false.

The Inline property sets the disposition type in the Content-Disposition header sent with the e-mail message. The disposition type can be used by software that displays e-mail to determine the correct way to present the e-mail attachments. Attachments with a disposition type of DispositionTypeNames.Inline are usually displayed when the user opens the e-mail. Attachments with a disposition type of DispositionTypeNames.Attachment are usually not opened until the user performs some additional action, such as clicking an icon that represents the attachment.

The Content-Disposition header is described in RFC 2183 available at http://www.ietf.org.

The following code example demonstrates how to set the value of this property.

public static void CreateMessageInlineAttachment(string server, string
textMessage)
{
    // Create a message and set up the recipients.
    MailMessage message = new MailMessage(
       "jane@contoso.com",
       "ben@contoso.com",
       "An inline text message for you.",
       "Message: ");

    // Attach the message string to this e-mail message.
    Attachment data = new Attachment(textMessage, MediaTypeNames.Text.Plain);
    // Send textMessage as part of the e-mail body.
    message.Attachments.Add(data);
    ContentDisposition disposition = data.ContentDisposition;
    disposition.Inline = true;
    //Send the message.
    // Include credentials if the server requires them.
    SmtpClient client = new SmtpClient(server);
    client.Credentials = CredentialCache.DefaultNetworkCredentials;
    client.Send(message);
    data.Dispose();
}

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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