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ILease Interface

Defines a lifetime lease object that is used by the remoting lifetime service.

Namespace:  System.Runtime.Remoting.Lifetime
Assembly:  mscorlib (in mscorlib.dll)

[ComVisibleAttribute(true)]
public interface ILease

Distributed garbage collection controls when server applications can be deleted. Traditionally, distributed garbage collection uses reference counts and pinging for control. This works well when there are a few clients per object, but does not work well when there are thousands of clients per each object. The lifetime service can assume the function of a traditional distributed garbage collector, and scales well when the number of clients increases.

The lifetime service associates a lease with each remotely activated object. When the lease expires, the object is removed. A lease can specify that an object has an infinite lifetime.

Each AppDomain contains a lease manager that administers the leases in the domain. The lease manager periodically examines the leases for time expiration. If a lease has expired, it can either be canceled by removing its reference to the lease, or renewed by invoking one or more of the lease's sponsors.

A lease contains properties that determine its policies, and methods that renew the lease time. The lease exposes the ILease interface.

For an example showing how to use the ILease interface see Lifetimes.

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, 1.1, 1.0

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