• Artigo

MessageHeaders Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Represents a collection of message headers for a message. This class cannot be inherited.

Inheritance Hierarchy

System.Object
  System.ServiceModel.Channels.MessageHeaders

Namespace:  System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Syntax

'Declaration
<DefaultMemberAttribute("Item")> _
Public NotInheritable Class MessageHeaders _
    Implements IEnumerable(Of MessageHeaderInfo), IEnumerable

[DefaultMemberAttribute("Item")]
public sealed class MessageHeaders : IEnumerable<MessageHeaderInfo>, 
    IEnumerable

The MessageHeaders type exposes the following members.

Constructors

  Name Description
Public methodSupported by Silverlight for Windows Phone MessageHeaders(MessageHeaders) Initializes a new instance of the MessageHeaders class with the specified collection of message headers.
Public methodSupported by Silverlight for Windows Phone MessageHeaders(MessageVersion) Initializes a new instance of the MessageHeaders class with the specified message version.
Public methodSupported by Silverlight for Windows Phone MessageHeaders(MessageVersion, Int32) Initializes a new instance of the MessageHeaders class with the specified message version and size.

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Properties

  Name Description
Public propertySupported by Silverlight for Windows Phone Action Gets or sets a description of how the message should be processed.
Public propertySupported by Silverlight for Windows Phone Count Gets the number of message headers in this collection.
Public propertySupported by Silverlight for Windows Phone FaultTo Gets or sets the address of the node to which faults should be sent.
Public propertySupported by Silverlight for Windows Phone From Gets or sets the address of the node that sent the message.
Public propertySupported by Silverlight for Windows Phone Item Retrieves a header at the given index.
Public propertySupported by Silverlight for Windows Phone MessageId Gets or sets the unique ID of the message.
Public propertySupported by Silverlight for Windows Phone MessageVersion Gets the SOAP version of the message.
Public propertySupported by Silverlight for Windows Phone RelatesTo Gets the IDs of messages that are related to this message.
Public propertySupported by Silverlight for Windows Phone ReplyTo Gets or sets the address of the node to which a reply should be sent for a request.
Public propertySupported by Silverlight for Windows Phone To Gets or sets the destination endpoint of a message.

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Methods

  Name Description
Public methodSupported by Silverlight for Windows Phone Add Adds the specified message header to the collection.
Public methodSupported by Silverlight for Windows Phone Clear Removes all the headers from the collection.
Public methodSupported by Silverlight for Windows Phone CopyHeaderFrom(Message, Int32) Copies the header content located at the specified index from the specified message to this instance.
Public methodSupported by Silverlight for Windows Phone CopyHeaderFrom(MessageHeaders, Int32) Copies the header content located at the specified index from the specified message header collection to this instance.
Public methodSupported by Silverlight for Windows Phone CopyHeadersFrom(Message) Copies the content of all the headers from the specified message to this instance.
Public methodSupported by Silverlight for Windows Phone CopyHeadersFrom(MessageHeaders) Copies the content from the specified header collection to this instance.
Public methodSupported by Silverlight for Windows Phone CopyTo Copies the headers from this collection to an array, starting at a particular index of the array.
Public methodSupported by Silverlight for Windows Phone Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone FindHeader(String, String) Finds a message header in this collection by the specified LocalName and namespace URI of the header element.
Public methodSupported by Silverlight for Windows Phone FindHeader(String, String, array<String[]) Finds a message header in this collection by the specified LocalName, namespace URI and actors of the header element.
Public methodSupported by Silverlight for Windows Phone GetEnumerator Returns an enumerator that can iterate through a collection. This method cannot be inherited.
Public methodSupported by Silverlight for Windows Phone GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GetHeader<T>(Int32) Retrieves a message header at a specific position in this collection.
Public methodSupported by Silverlight for Windows Phone GetHeader<T>(Int32, XmlObjectSerializer) Retrieves a message header at a specific position in this collection.
Public methodSupported by Silverlight for Windows Phone GetHeader<T>(String, String) Finds a message header in this collection by the specified LocalName and namespace URI of the header element.
Public methodSupported by Silverlight for Windows Phone GetHeader<T>(String, String, XmlObjectSerializer) Retrieves a message header in this collection by the specified LocalName, namespace URI and serializer.
Public methodSupported by Silverlight for Windows Phone GetHeader<T>(String, String, array<String[]) Retrieves a message header in this collection by the specified LocalName, namespace URI and actors of the header element.
Public methodSupported by Silverlight for Windows Phone GetReaderAtHeader Gets a XML dictionary reader that accesses the message header at the specified location of the collection.
Public methodSupported by Silverlight for Windows Phone GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone HaveMandatoryHeadersBeenUnderstood() Verifies whether all the message headers marked with MustUnderstand are properly interpreted and processed.
Public methodSupported by Silverlight for Windows Phone HaveMandatoryHeadersBeenUnderstood(array<String[]) Verifies whether the specified recipients have properly interpreted and processed all the message headers marked with MustUnderstand.
Public methodSupported by Silverlight for Windows Phone Insert Inserts a message header into the collection at the specified index.
Protected methodSupported by Silverlight for Windows Phone MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone RemoveAll Removes all headers with the specified name and namespace from the collection.
Public methodSupported by Silverlight for Windows Phone RemoveAt Removes the message header at the specified index from the collection.
Public methodSupported by Silverlight for Windows Phone SetAction Sets the action element of the header.
Public methodSupported by Silverlight for Windows Phone ToString Returns a string that represents the current object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone WriteHeader(Int32, XmlDictionaryWriter) Serializes the header from the specified location using the specified XML writer.
Public methodSupported by Silverlight for Windows Phone WriteHeader(Int32, XmlWriter) Serializes the header from the specified location using the specified XML writer.
Public methodSupported by Silverlight for Windows Phone WriteHeaderContents(Int32, XmlDictionaryWriter) Serializes the specified header content using the specified XML writer.
Public methodSupported by Silverlight for Windows Phone WriteHeaderContents(Int32, XmlWriter) Serializes the specified header content using the specified XML writer.
Public methodSupported by Silverlight for Windows Phone WriteStartHeader(Int32, XmlDictionaryWriter) Serializes the start header using the specified XML writer.
Public methodSupported by Silverlight for Windows Phone WriteStartHeader(Int32, XmlWriter) Serializes the start header using the specified XML writer.

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Extension Methods

  Name Description
Public Extension MethodSupported by Silverlight for Windows Phone Aggregate<MessageHeaderInfo>(Func<MessageHeaderInfo, MessageHeaderInfo, MessageHeaderInfo>) Overloaded. Applies an accumulator function over a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Aggregate<MessageHeaderInfo, TAccumulate>(TAccumulate, Func<TAccumulate, MessageHeaderInfo, TAccumulate>) Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Aggregate<MessageHeaderInfo, TAccumulate, TResult>(TAccumulate, Func<TAccumulate, MessageHeaderInfo, TAccumulate>, Func<TAccumulate, TResult>) Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone All<MessageHeaderInfo> Determines whether all elements of a sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Any<MessageHeaderInfo>() Overloaded. Determines whether a sequence contains any elements. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Any<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Determines whether any element of a sequence satisfies a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone AsEnumerable<MessageHeaderInfo> Returns the input typed as IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone AsQueryable() Overloaded. Converts an IEnumerable to an IQueryable. (Defined by Queryable.)
Public Extension MethodSupported by Silverlight for Windows Phone AsQueryable<MessageHeaderInfo>() Overloaded. Converts a generic IEnumerable<T> to a generic IQueryable<T>. (Defined by Queryable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Decimal>>) Overloaded. Computes the average of a sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Double>>) Overloaded. Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32>) Overloaded. Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int32>>) Overloaded. Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Int64>) Overloaded. Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int64>>) Overloaded. Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Single>) Overloaded. Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Single>>) Overloaded. Computes the average of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Double>) Overloaded. Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Average<MessageHeaderInfo>(Func<MessageHeaderInfo, Decimal>) Overloaded. Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Cast<TResult> Converts the elements of an IEnumerable to the specified type. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Concat<MessageHeaderInfo> Concatenates two sequences. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Contains<MessageHeaderInfo>(MessageHeaderInfo) Overloaded. Determines whether a sequence contains a specified element by using the default equality comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Contains<MessageHeaderInfo>(MessageHeaderInfo, IEqualityComparer<MessageHeaderInfo>) Overloaded. Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Count<MessageHeaderInfo>() Overloaded. Returns the number of elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Count<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns a number that represents how many elements in the specified sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone DefaultIfEmpty<MessageHeaderInfo>() Overloaded. Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone DefaultIfEmpty<MessageHeaderInfo>(MessageHeaderInfo) Overloaded. Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Distinct<MessageHeaderInfo>() Overloaded. Returns distinct elements from a sequence by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Distinct<MessageHeaderInfo>(IEqualityComparer<MessageHeaderInfo>) Overloaded. Returns distinct elements from a sequence by using a specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ElementAt<MessageHeaderInfo> Returns the element at a specified index in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ElementAtOrDefault<MessageHeaderInfo> Returns the element at a specified index in a sequence or a default value if the index is out of range. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Except<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>) Overloaded. Produces the set difference of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Except<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>, IEqualityComparer<MessageHeaderInfo>) Overloaded. Produces the set difference of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone First<MessageHeaderInfo>() Overloaded. Returns the first element of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone First<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the first element in a sequence that satisfies a specified condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone FirstOrDefault<MessageHeaderInfo>() Overloaded. Returns the first element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone FirstOrDefault<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>) Overloaded. Groups the elements of a sequence according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>, IEqualityComparer<TKey>) Overloaded. Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>) Overloaded. Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TResult>(Func<MessageHeaderInfo, TKey>, Func<TKey, IEnumerable<MessageHeaderInfo>, TResult>) Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>, IEqualityComparer<TKey>) Overloaded. Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TResult>(Func<MessageHeaderInfo, TKey>, Func<TKey, IEnumerable<MessageHeaderInfo>, TResult>, IEqualityComparer<TKey>) Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The keys are compared by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TElement, TResult>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>, Func<TKey, IEnumerable<TElement>, TResult>) Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupBy<MessageHeaderInfo, TKey, TElement, TResult>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>, Func<TKey, IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>) Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupJoin<MessageHeaderInfo, TInner, TKey, TResult>(IEnumerable<TInner>, Func<MessageHeaderInfo, TKey>, Func<TInner, TKey>, Func<MessageHeaderInfo, IEnumerable<TInner>, TResult>) Overloaded. Correlates the elements of two sequences based on equality of keys and groups the results. The default equality comparer is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone GroupJoin<MessageHeaderInfo, TInner, TKey, TResult>(IEnumerable<TInner>, Func<MessageHeaderInfo, TKey>, Func<TInner, TKey>, Func<MessageHeaderInfo, IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>) Overloaded. Correlates the elements of two sequences based on key equality and groups the results. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Intersect<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>) Overloaded. Produces the set intersection of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Intersect<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>, IEqualityComparer<MessageHeaderInfo>) Overloaded. Produces the set intersection of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Join<MessageHeaderInfo, TInner, TKey, TResult>(IEnumerable<TInner>, Func<MessageHeaderInfo, TKey>, Func<TInner, TKey>, Func<MessageHeaderInfo, TInner, TResult>) Overloaded. Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Join<MessageHeaderInfo, TInner, TKey, TResult>(IEnumerable<TInner>, Func<MessageHeaderInfo, TKey>, Func<TInner, TKey>, Func<MessageHeaderInfo, TInner, TResult>, IEqualityComparer<TKey>) Overloaded. Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Last<MessageHeaderInfo>() Overloaded. Returns the last element of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Last<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the last element of a sequence that satisfies a specified condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone LastOrDefault<MessageHeaderInfo>() Overloaded. Returns the last element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone LastOrDefault<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone LongCount<MessageHeaderInfo>() Overloaded. Returns an Int64 that represents the total number of elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone LongCount<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns an Int64 that represents how many elements in a sequence satisfy a condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>() Overloaded. Returns the maximum value in a generic sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Decimal>>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Double>>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int32>>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Int64>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int64>>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Single>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Single>>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Double>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo>(Func<MessageHeaderInfo, Decimal>) Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Max<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, TResult>) Overloaded. Invokes a transform function on each element of a generic sequence and returns the maximum resulting value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>() Overloaded. Returns the minimum value in a generic sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Decimal>>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Double>>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int32>>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Int64>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int64>>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Single>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Single>>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Double>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Double value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo>(Func<MessageHeaderInfo, Decimal>) Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Decimal value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Min<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, TResult>) Overloaded. Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone OfType<TResult> Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone OrderBy<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>) Overloaded. Sorts the elements of a sequence in ascending order according to a key. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone OrderBy<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>, IComparer<TKey>) Overloaded. Sorts the elements of a sequence in ascending order by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone OrderByDescending<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>) Overloaded. Sorts the elements of a sequence in descending order according to a key. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone OrderByDescending<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>, IComparer<TKey>) Overloaded. Sorts the elements of a sequence in descending order by using a specified comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Reverse<MessageHeaderInfo> Inverts the order of the elements in a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Select<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, TResult>) Overloaded. Projects each element of a sequence into a new form. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Select<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, Int32, TResult>) Overloaded. Projects each element of a sequence into a new form by incorporating the element's index. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SelectMany<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, IEnumerable<TResult>>) Overloaded. Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SelectMany<MessageHeaderInfo, TResult>(Func<MessageHeaderInfo, Int32, IEnumerable<TResult>>) Overloaded. Projects each element of a sequence to an IEnumerable<T>, and flattens the resulting sequences into one sequence. The index of each source element is used in the projected form of that element. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SelectMany<MessageHeaderInfo, TCollection, TResult>(Func<MessageHeaderInfo, Int32, IEnumerable<TCollection>>, Func<MessageHeaderInfo, TCollection, TResult>) Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SelectMany<MessageHeaderInfo, TCollection, TResult>(Func<MessageHeaderInfo, IEnumerable<TCollection>>, Func<MessageHeaderInfo, TCollection, TResult>) Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SequenceEqual<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>) Overloaded. Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SequenceEqual<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>, IEqualityComparer<MessageHeaderInfo>) Overloaded. Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Single<MessageHeaderInfo>() Overloaded. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Single<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SingleOrDefault<MessageHeaderInfo>() Overloaded. Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SingleOrDefault<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Skip<MessageHeaderInfo> Bypasses a specified number of elements in a sequence and then returns the remaining elements. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SkipWhile<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone SkipWhile<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32, Boolean>) Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Decimal>>) Overloaded. Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Double>>) Overloaded. Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32>) Overloaded. Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int32>>) Overloaded. Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Int64>) Overloaded. Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Int64>>) Overloaded. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Single>) Overloaded. Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Nullable<Single>>) Overloaded. Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Double>) Overloaded. Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Sum<MessageHeaderInfo>(Func<MessageHeaderInfo, Decimal>) Overloaded. Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Take<MessageHeaderInfo> Returns a specified number of contiguous elements from the start of a sequence. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone TakeWhile<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Returns elements from a sequence as long as a specified condition is true. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone TakeWhile<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32, Boolean>) Overloaded. Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToArray<MessageHeaderInfo> Creates an array from a IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToDictionary<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>) Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToDictionary<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>, IEqualityComparer<TKey>) Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToDictionary<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>) Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToDictionary<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>, IEqualityComparer<TKey>) Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function, a comparer, and an element selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToList<MessageHeaderInfo> Creates a List<T> from an IEnumerable<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToLookup<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>) Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToLookup<MessageHeaderInfo, TKey>(Func<MessageHeaderInfo, TKey>, IEqualityComparer<TKey>) Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToLookup<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>) Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone ToLookup<MessageHeaderInfo, TKey, TElement>(Func<MessageHeaderInfo, TKey>, Func<MessageHeaderInfo, TElement>, IEqualityComparer<TKey>) Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Union<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>) Overloaded. Produces the set union of two sequences by using the default equality comparer. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Union<MessageHeaderInfo>(IEnumerable<MessageHeaderInfo>, IEqualityComparer<MessageHeaderInfo>) Overloaded. Produces the set union of two sequences by using a specified IEqualityComparer<T>. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Where<MessageHeaderInfo>(Func<MessageHeaderInfo, Boolean>) Overloaded. Filters a sequence of values based on a predicate. (Defined by Enumerable.)
Public Extension MethodSupported by Silverlight for Windows Phone Where<MessageHeaderInfo>(Func<MessageHeaderInfo, Int32, Boolean>) Overloaded. Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function. (Defined by Enumerable.)
Public Extension Method Zip<MessageHeaderInfo, TSecond, TResult> Merges two sequences by using the specified predicate function. (Defined by Enumerable.)

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Explicit Interface Implementations

  Name Description
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows Phone IEnumerable.GetEnumerator Returns an enumerator that can iterate through a collection. This method cannot be inherited.

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Remarks

A message header contains optional metadata that describe a message encapsulated by the Message class.

A Message can have zero or more headers that are used as an extension mechanism to pass information in messages that are application specific. You can use Headers to add message headers to a message by calling the Add method.

Silverlight provides a number of predefined message headers as shown in the following table.

Header Name

Description

To

Contains the role that the message is targeting.

Action

Provides a description of how the message should be processed.

Examples

The following code example shows a basic client using the channel factory to send a message and read the action header from the reply.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

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