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DnsEndPoint Constructor (String, Int32)

Initializes a new instance of the DnsEndPoint class with the host name or string representation of an IP address and a port number.

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

public DnsEndPoint(
	string host,
	int port
)

Parameters

host
Type: System.String

The host name or a string representation of the IP address.

port
Type: System.Int32

The port number associated with the address, or 0 to specify any available port. port is in host order.

ExceptionCondition
ArgumentException

The host parameter contains an empty string.

ArgumentNullException

The host parameter is a null.

ArgumentOutOfRangeException

port is less than MinPort.

-or-

port is greater than MaxPort.

The DnsEndPoint(String, Int32) constructor can be used to initialize a DnsEndPoint class using either a host name or a string that represents an IP address and a port. This constructor sets the AddressFamily property to Unknown.

When using this constructor with a host name rather than a string representation of an IP address, the address family of the DnsEndPoint will remain Unknown even after use. The AddressFamily property of any Socket that is created by calls to the ConnectAsync method will be the address family of the first address to which a connection can be successfully established (not necessarily the first address to be resolved).

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, 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.

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