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QueryForConnectionCallback Delegate

The QueryForConnectionCallback delegate determines whether there is a cached connection available for use.

Namespace:  System.DirectoryServices.Protocols
Assembly:  System.DirectoryServices.Protocols (in System.DirectoryServices.Protocols.dll)

public delegate LdapConnection QueryForConnectionCallback(
	LdapConnection primaryConnection,
	LdapConnection referralFromConnection,
	string newDistinguishedName,
	LdapDirectoryIdentifier identifier,
	NetworkCredential credential,
	long currentUserToken
)

Parameters

primaryConnection
Type: System.DirectoryServices.Protocols.LdapConnection

A LdapConnection object that specifies the primary connection.

referralFromConnection
Type: System.DirectoryServices.Protocols.LdapConnection

A LdapConnection object that specifies the connection that provides the referral.

newDistinguishedName
Type: System.String

A String object that specifies the distinguished name (DN) of the desired entry in the referred server.

identifier
Type: System.DirectoryServices.Protocols.LdapDirectoryIdentifier

A LdapDirectoryIdentifier object that specifies the identifier for the referred LDAP directory.

credential
Type: System.Net.NetworkCredential

A NetworkCredential object that specifies the credentials to pass to the referred server.

currentUserToken
Type: System.Int64

The LUID for the current user.

Return Value

Type: System.DirectoryServices.Protocols.LdapConnection
A cached LdapConnection is returned, if there is one available. If no cached connection is available, NULL is returned.

.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

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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