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__Event class

The __Event system class is an abstract base class that serves as the parent class for all intrinsic and extrinsic events. All new event types must ultimately derive from __Event. Intrinsic events derive directly from this class. User-defined extrinsic events derive from a subclass of this class called __ExtrinsicEvent.

The following syntax is simplified from Managed Object Format (MOF) code and includes all inherited properties. Properties are listed in alphabetic order, not MOF order.

Syntax

[abstract]class __Event : __IndicationRelated
{
  uint8  SECURITY_DESCRIPTOR[];
  uint64 TIME_CREATED;
};

Members

The __Event class has these types of members:

Properties

The __Event class has these properties.

SECURITY_DESCRIPTOR
Data type: uint8 array
Access type: Read-only

Descriptor that the event provider uses to determine which users can receive the event. For more information, see WMI Security Constants.

TIME_CREATED
Data type: uint64
Access type: Read-only

Unique value that indicates the time the event is generated. This is a 64-bit value that represents the number of 100-nanosecond intervals after January 1, 1601. The information is in the Coordinated Universal Time (UTC) format.

For more information about using uint64 values in scripts, see Scripting in WMI.

Remarks

The __Event class is derived from __IndicationRelated, which has no properties.

Requirements

Minimum supported client

Windows Vista

Minimum supported server

Windows Server 2003

Namespace

all WMI namespaces

See also

WMI System Classes
Determining the Type of Event to Receive
__ClassOperationEvent
__InstanceOperationEvent
__NamespaceOperationEvent

 

 

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