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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


Type: System.DirectoryServices.Protocols.LdapConnection

A LdapConnection object that specifies the primary connection.

Type: System.DirectoryServices.Protocols.LdapConnection

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

Type: System.String

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

Type: System.DirectoryServices.Protocols.LdapDirectoryIdentifier

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

Type: System.Net.NetworkCredential

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

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.

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