The properties of the TdOPCEvent class are listed here.
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Acknowledged is True if the corresponding condition has been acknowledged, otherwise False. | |
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AckRequired is True if this event requires acknowledgement, otherwise False. | |
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Active is True if the corresponding condition is active, otherwise False. | |
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ActiveTime contains the time at which the condition became active (for single-state conditions) or the time of a transition into the current sub-condition (for multi-state conditions). | |
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ActorID contains IDs for tracking events or condition-related events which are acknowledgment notifications. | |
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CategoryName contains the name of the category related to this event notification. | |
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ChangeMask indicates what properties of the condition have changed and forced the server to send the event notification. | |
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ConditionName contains the name of the condition related to this event notification. | |
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Cookie contains the server-defined cookie associated with the event notification. | |
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CustomProps provides a collection of vendor specific attributes. | |
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Data is not used by TdOPCEvent. | |
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Enabled is True if the corresponding condition is enabled, otherwise False. | |
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EventCategory contains either the standard or the vendor-specific event category. | |
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EventType indicates the type of the event; condition-related, tracking-related or simple. | |
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ID contains the unique Id of the event. | |
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IsConditionEvent is True if the corresponding condition is a condition event, otherwise False. | |
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IsSimpleEvent is True if the corresponding condition is a simple event, otherwise False. | |
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IsTrackingEvent is True if the corresponding condition is a tracking event, otherwise False. | |
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This is Key, a member of class TdOPCEvent. | |
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LastEvent contains the values for the last occurred event. | |
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Msg contains the message text which describes the event. | |
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NewState indicates a bit mask specifying the new state of the condition. | |
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NumEventAttrs provides the number of attributes of the event. | |
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Quality provides the latest quality read from the server. | |
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Severity contains a value indicating the event severity. | |
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Source contains a string indicating the source of the event notification. | |
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SubconditionName contains the name of the current sub-condition, for multi-state conditions. | |
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Tag has no predefined meaning. | |
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Time provides the time of the event occurrence. |
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