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AlternateView Class

Represents the format to view an email message.

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)

public class AlternateView : AttachmentBase

The AlternateView type exposes the following members.

  NameDescription
Public methodAlternateView(Stream)Initializes a new instance of AlternateView with the specified Stream.
Public methodAlternateView(String)Initializes a new instance of AlternateView with the specified file name.
Public methodAlternateView(Stream, ContentType)Initializes a new instance of AlternateView with the specified Stream and ContentType.
Public methodAlternateView(Stream, String)Initializes a new instance of AlternateView with the specified Stream and media type.
Public methodAlternateView(String, ContentType)Initializes a new instance of AlternateView with the specified file name and content type.
Public methodAlternateView(String, String)Initializes a new instance of AlternateView with the specified file name and media type.
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  NameDescription
Public propertyBaseUriGets or sets the base URI to use for resolving relative URIs in the AlternateView.
Public propertyContentIdGets or sets the MIME content ID for this attachment. (Inherited from AttachmentBase.)
Public propertyContentStreamGets the content stream of this attachment. (Inherited from AttachmentBase.)
Public propertyContentTypeGets the content type of this attachment. (Inherited from AttachmentBase.)
Public propertyLinkedResourcesGets the set of embedded resources referred to by this attachment.
Public propertyTransferEncodingGets or sets the encoding of this attachment. (Inherited from AttachmentBase.)
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  NameDescription
Public methodStatic memberCreateAlternateViewFromString(String)Creates a AlternateView of an email message using the content specified in a String.
Public methodStatic memberCreateAlternateViewFromString(String, ContentType)Creates an AlternateView of an email message using the content specified in a String and the specified MIME media type of the content.
Public methodStatic memberCreateAlternateViewFromString(String, Encoding, String)Creates an AlternateView of an email message using the content specified in a String, the specified text encoding, and MIME media type of the content.
Public methodDispose()Releases the resources used by the AttachmentBase. (Inherited from AttachmentBase.)
Protected methodDispose(Boolean)Releases the unmanaged resources used by the AlternateView and optionally releases the managed resources. (Overrides AttachmentBase.Dispose(Boolean).)
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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Use the AlternateView class to specify copies of an e-mail message in different formats. For example, if you send a message in HTML, you might also want provide a plain text version in case some of the recipients use e-mail readers that cannot display HTML content.

This class has two properties LinkedResources and BaseUri that are used to resolve URLs within the content of the email. LinkedResources is a collection of LinkedResource objects. When rendered, URLs within the e-mail's content are first matched against the URLs in the ContentLink of each LinkedResource object in the LinkedResources collection, and resolved. BaseUri is used by the mail reader to resolve relative URLs within the body, and also to resolve relative ContentLink URLs, in the LinkedResources collection.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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