HeaderCollection Class

Namespace:
GemBox.Email.Mime
Assembly:
GemBox.Email.dll

Represents a collection of MIME Header elements.

public sealed class HeaderCollection : Collection<Header>, IList<Header>, ICollection<Header>, IList, ICollection, IReadOnlyList<Header>, IReadOnlyCollection<Header>, IEnumerable<Header>, IEnumerable
Public NotInheritable Class HeaderCollection
    Inherits Collection(Of Header)
    Implements IList(Of Header), ICollection(Of Header), IList, ICollection, IReadOnlyList(Of Header), IReadOnlyCollection(Of Header), IEnumerable(Of Header), IEnumerable
Inheritance:
System.Object
System.Collections.ObjectModel.Collection<Header>
HeaderCollection
Implements
System.Collections.Generic.IList<Header>
System.Collections.Generic.ICollection<Header>
System.Collections.IList
System.Collections.ICollection
System.Collections.Generic.IReadOnlyList<Header>
System.Collections.Generic.IReadOnlyCollection<Header>
System.Collections.Generic.IEnumerable<Header>
System.Collections.IEnumerable

Properties

Item[HeaderId]

Gets the Header with the specified identifier.

public Header this[HeaderId id] { get; }
Public ReadOnly Property Item(id As HeaderId) As Header
Parameters
id
HeaderId

The identifier.

Property Value
Header

The Header with the specified identifier.

Exceptions
System.InvalidOperationException

Header with the specified identifier doesn't exist.

Item[String]

Gets the Header with the specified name.

public Header this[string name] { get; }
Public ReadOnly Property Item(name As String) As Header
Parameters
name
System.String

The name.

Property Value
Header

The Header with the specified name.

Exceptions
System.ArgumentException

Name is null or empty.

System.InvalidOperationException

Header with the specified name doesn't exist.

Methods

Contains(HeaderId)

Determines whether this HeaderCollection contains Header with specified identifier.

public bool Contains(HeaderId id)
Public Function Contains(id As HeaderId) As Boolean
Parameters
id
HeaderId

The identifier.

Returns
System.Boolean

True if this HeaderCollection contains the Header; otherwise, false.

IndexOf(HeaderId)

Searches for the Header with specified identifier and returns the zero-based index of the first occurrence within this HeaderCollection.

public int IndexOf(HeaderId id)
Public Function IndexOf(id As HeaderId) As Integer
Parameters
id
HeaderId

The identifier.

Returns
System.Int32

The zero-based index of the first occurrence of Header within this HeaderCollection, if found; otherwise, –1.

Remove(HeaderId)

Removes the Header with the specified identifier.

public bool Remove(HeaderId id)
Public Function Remove(id As HeaderId) As Boolean
Parameters
id
HeaderId

The identifier.

Returns
System.Boolean

True if item is successfully removed; otherwise, false.

Remove(String)

Removes the Header with the specified name.

public bool Remove(string name)
Public Function Remove(name As String) As Boolean
Parameters
name
System.String

The name.

Returns
System.Boolean

True if item is successfully removed; otherwise, false.

TryGetHeader(HeaderId, out Header)

Tries the get a Header with the specified identifier.

public bool TryGetHeader(HeaderId id, out Header value)
Public Function TryGetHeader(id As HeaderId, ByRef value As Header) As Boolean
Parameters
id
HeaderId

The identifier.

value
Header

When this method returns, contains the Header with the specified name, if found; otherwise, null.

Returns
System.Boolean

True if this HeaderCollection contains the specified Header; otherwise, false.

TryGetHeader(String, out Header)

Tries the get a Header with the specified name.

public bool TryGetHeader(string name, out Header value)
Public Function TryGetHeader(name As String, ByRef value As Header) As Boolean
Parameters
name
System.String

The name.

value
Header

When this method returns, contains the Header with the specified name, if found; otherwise, null.

Returns
System.Boolean

True if this HeaderCollection contains the specified Header; otherwise, false.

Exceptions
System.ArgumentNullException

Name is null or empty.

Implements

System.Collections.Generic.IList<T>
System.Collections.Generic.ICollection<T>
System.Collections.IList
System.Collections.ICollection
System.Collections.Generic.IReadOnlyList<T>
System.Collections.Generic.IReadOnlyCollection<T>
System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable