Export (0) Print
Expand All

MarshalByRefObject.InitializeLifetimeService Method

Obtains a lifetime service object to control the lifetime policy for this instance.

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

'Declaration
<SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.Infrastructure)> _
Public Overridable Function InitializeLifetimeService As Object
'Usage
Dim instance As MarshalByRefObject 
Dim returnValue As Object 

returnValue = instance.InitializeLifetimeService()

Return Value

Type: System.Object
An object of type ILease used to control the lifetime policy for this instance. This is the current lifetime service object for this instance if one exists; otherwise, a new lifetime service object initialized to the value of the LifetimeServices.LeaseManagerPollTime property.

ExceptionCondition
SecurityException

The immediate caller does not have infrastructure permission.

For more information about lifetime services, see the LifetimeServices class.

The following code example demonstrates creating a lease.

Public Class LSClass
    Inherits MarshalByRefObject

    <SecurityPermissionAttribute(SecurityAction.Demand, _
                                 Flags:=SecurityPermissionFlag.Infrastructure)> _
    Public Overrides Function InitializeLifetimeService() As Object
        Dim lease As ILease = CType(MyBase.InitializeLifetimeService(), ILease)
        If lease.CurrentState = LeaseState.Initial Then
            lease.InitialLeaseTime = TimeSpan.FromMinutes(1)
            lease.SponsorshipTimeout = TimeSpan.FromMinutes(2)
            lease.RenewOnCallTime = TimeSpan.FromSeconds(2)
        End If 
        Return lease
    End Function 


    Public Shared Sub Main()  
    ' The main thread processing is here. 
    End Sub 
End Class

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

Community Additions

ADD
Show:
© 2014 Microsoft