Freigeben über


IWebEventCustomEvaluator.CanFire(WebBaseEvent, RuleFiringRecord) Methode

Definition

Wertet aus, ob ein Ereignis ausgelöst werden soll.

public:
 bool CanFire(System::Web::Management::WebBaseEvent ^ raisedEvent, System::Web::Management::RuleFiringRecord ^ record);
public bool CanFire (System.Web.Management.WebBaseEvent raisedEvent, System.Web.Management.RuleFiringRecord record);
abstract member CanFire : System.Web.Management.WebBaseEvent * System.Web.Management.RuleFiringRecord -> bool
Public Function CanFire (raisedEvent As WebBaseEvent, record As RuleFiringRecord) As Boolean

Parameter

raisedEvent
WebBaseEvent

Das auszulösende Ereignis.

record
RuleFiringRecord

Ein RuleFiringRecord mit Informationen über das Ereignis.

Gibt zurück

Boolean

true, wenn das Ereignis ausgelöst werden soll, andernfalls false.

Beispiele

Das folgende Codebeispiel zeigt eine benutzerdefinierte Implementierung der CanFire Methode.

// Implements the IWebEventCustomEvaluator.CanFire 
// method. It is called by the ASP.NET if this custom
// type is configured in the profile
// element of the healthMonitoring section.
public bool CanFire(
    System.Web.Management.WebBaseEvent e, 
    RuleFiringRecord rule)
{

    bool fireEvent;
    string lastFired = rule.LastFired.ToString();
    string timesRaised = rule.TimesRaised.ToString();

    // Fire every other event raised.
    fireEvent =
        (rule.TimesRaised % 2 == 0) ? true : false;

    if (fireEvent)
    {
        firingRecordInfo =
            string.Format("Event last fired: {0}",
            lastFired) +
            string.Format(". Times raised: {0}",
            timesRaised);
    }
    else
        firingRecordInfo =
          string.Format(
           "Event not fired. Times raised: {0}",
           timesRaised);

    return fireEvent;
}
' Implements the IWebEventCustomEvaluator.CanFire 
' method. It is called by the ASP.NET if this custom
' type is configured in the profile
' element of the healthMonitoring section.
Public Function CanFire( _
ByVal e As System.Web.Management.WebBaseEvent, _
ByVal rule As RuleFiringRecord) As Boolean _
Implements System.Web.Management.IWebEventCustomEvaluator.CanFire

    Dim fireEvent As Boolean
    Dim lastFired As String = _
        rule.LastFired.ToString()
    Dim timesRaised As String = _
        rule.TimesRaised.ToString()

    ' Fire every other event raised.
    fireEvent = _
    IIf(rule.TimesRaised Mod 2 = 0, True, False)

    If fireEvent Then
        firingRecordInfo = String.Format( _
        "Event last fired: {0}", lastFired) + _
        String.Format( _
        ". Times raised: {0}",  timesRaised) 
      
    Else
        firingRecordInfo = String.Format( _
        "Event not fired. Times raised: {0}", _
        timesRaised)
    End If

    Return fireEvent

End Function 'CanFire

Hinweise

Wenn der benutzerdefinierte Ereigniswert zurückgegeben truewird, wird das Ereignis ausgelöst und dann vom zugehörigen Anbieter verarbeitet.

Gilt für