IWebEventCustomEvaluator.CanFire(WebBaseEvent, RuleFiringRecord) Metod

Definition

Namnområde:
System.Web.Management
Sammansättning:
System.Web.dll

Utvärderar om en händelse ska aktiveras.

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

Parametrar

raisedEvent
WebBaseEvent

Händelsen som ska genereras.

record
RuleFiringRecord

Innehåller RuleFiringRecord information om händelsen.

Returer

Boolean

trueom händelsen ska upphöjas. annars . false

Exempel

I följande kodexempel visas en anpassad implementering av CanFire metoden.

// 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

Kommentarer

Om den anpassade händelseutvärderingen returnerar truegenereras händelsen och bearbetas sedan av den associerade providern.

Gäller för