Event.Item Property (String)

Artículo
12/15/2008

Gets or sets the value of an event data field in the event record, using the field name as an identifier.

Espacio de nombres: Microsoft.SqlServer.NotificationServices
Ensamblado: Microsoft.SqlServer.NotificationServices (in microsoft.sqlserver.notificationservices.dll)

Sintaxis

'Declaración
Public Default Property Item ( _
    fieldName As String _
) As Object

public Object this [
    string fieldName
] { get; set; }

public:
virtual property Object^ default [String^] {
    Object^ get (String^ fieldName) sealed;
    void set (String^ fieldName, Object^ value) sealed;
}

/** @property */
public final Object get_Item (String fieldName)

/** @property */
public final void set_Item (String fieldName, Object value)

Parámetros

fieldName
The name of the event field.

Valor de propiedad

An Object that represents the field's value.

Ejemplo

The following example shows how to set the value of an event data field using the name of the field:

string instanceName = "Tutorial";
string applicationName = "Weather";
string eventClassName = "WeatherEvents";
string eventProviderName = "WeatherSPs";

// Create an NSInstance object.
NSInstance testInstance = new NSInstance(instanceName);

// Create an NSApplication object.
NSApplication testApplication =
    new NSApplication(testInstance, applicationName);

// Create an EventCollector object.
EventCollector testEventCollector =
    new EventCollector(testApplication, eventProviderName);

// Create and define an Event object.
Event evt = new Event(testApplication, eventClassName);
evt["City"] = "Seattle";
evt["Date"] = DateTime.Now;
evt["Low"] = 40;
evt["High"] = 50;
evt["Forecast"] = "Cloudy";

// Write the event to the event collector's batch
testEventCollector.Write(evt);

// Commit the event batch to the application database.
testEventCollector.Commit();

Seguridad para subprocesos

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Plataformas

Plataformas de desarrollo

Para obtener una lista de las plataformas compatibles, vea Requisitos de hardware y software para instalar SQL Server 2005.

Plataformas de destino