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FormsAuthentication.RenewTicketIfOld Method

Conditionally updates the issue date and time and expiration date and time for a FormsAuthenticationTicket.

Namespace:  System.Web.Security
Assembly:  System.Web (in System.Web.dll)
public static FormsAuthenticationTicket RenewTicketIfOld(
	FormsAuthenticationTicket tOld
)

Parameters

tOld
Type: System.Web.Security.FormsAuthenticationTicket

The forms-authentication ticket to update.

The RenewTicketIfOld method updates the expiration date and time of the supplied FormsAuthenticationTicket if the current date and time minus the IssueDate value is greater than the Expiration value minus the current date and time.

The ticket is updated with the IssueDate property set to the current date and time and the Expiration property set to the current date and time plus the original Expiration value minus the original IssueDate value.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows Phone 8.1, Windows Phone 8, 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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