IAlertUpdateHandler.PreUpdate method

Synchronous Before event that occurs when an alert is modified in the user interface.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

Syntax

'Declaration
Function PreUpdate ( _
    a As SPAlert, _
    web As SPWeb, _
    newAlert As Boolean, _
    properties As String _
) As Boolean
'Usage
Dim instance As IAlertUpdateHandler
Dim a As SPAlert
Dim web As SPWeb
Dim newAlert As Boolean
Dim properties As String
Dim returnValue As Boolean

returnValue = instance.PreUpdate(a, web, _
    newAlert, properties)

bool PreUpdate(
    SPAlert a,
    SPWeb web,
    bool newAlert,
    string properties
)

Parameters

• a
  Type: Microsoft.SharePoint.SPAlert

  An SPAlert object representing the alert.

• web
  Type: Microsoft.SharePoint.SPWeb

  An SPWeb object representing the Web site.

• newAlert
  Type: System.Boolean

  true if the alert being handled is new; otherwise, false.

• properties
  Type: System.String

  A string containing properties of the alert.

Return value

Type: System.Boolean
A Boolean value that can be used to prevent the update or to throw an SPException.

See also

Reference

IAlertUpdateHandler interface

IAlertUpdateHandler members

Microsoft.SharePoint namespace