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CredentialCache.GetCredential Method (String, Int32, String)

Returns the NetworkCredential instance associated with the specified host, port, and authentication protocol.

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

public NetworkCredential GetCredential(
	string host,
	int port,
	string authenticationType
)

Parameters

host
Type: System.String

A String that identifies the host computer.

port
Type: System.Int32

A Int32 that specifies the port to connect to on host.

authenticationType
Type: System.String

A String that identifies the authentication scheme used when connecting to host. See Remarks.

Return Value

Type: System.Net.NetworkCredential
A NetworkCredential or, if there is no matching credential in the cache, null.

Implements

ICredentialsByHost.GetCredential(String, Int32, String)

ExceptionCondition
ArgumentNullException

host is null.

-or-

authType is null.

ArgumentException

authType not an accepted value. See Remarks.

-or-

host is equal to the empty string ("").

ArgumentOutOfRangeException

port is less than zero.

This method searches the CredentialCache and returns the NetworkCredential instance for the specified host, port, and authorization type. The host, port, and authType values passed to this method are case-insensitively compared to the values specified when the credential was added to the CredentialCache using the Add methods.

The supported values for authType are "NTLM", "Digest", "Kerberos", and "Negotiate".

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

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