Default constructor

Default constructor

Converts the type of an object depending on the type specified for this field

Determines whether the specified Object is equal to the current Object.

Retrieves the aliases used in the expression

A simple helper used to get Field Type from BuiltinType

Gets the tag used to create expressions

Gets the tag used to create expressions

Returns the key for the group associated with this EventField

Serves as a hash function for a particular type.

Returns the human readable name of the field. Usually it's the Field Name itself, but when a group is set the GroupKey is returned.

Gets a nullable type for special cases when the array values can be nullable

Gets the Type of the current instance.

Returns the key for this EventField

Evaluates the row using this filter

Checks if this field is a CurrentValue attribute

Checks if the field is an historical attribute

Checks if the field is a custom OPC AE attribute

Returns a String that represents the current Object.

The command executed by this virtual field

Gets or sets a display name of the OPC UA Event type of which this EventField is a member.

Contains an expression string that represents a complex filter

FOR INTERNAL USE ONLY, NOT FOR CUSTOMERS

Gets or sets a custom GROUP KEY. These keys identifies a group of fields (usually OPC AE Attributes) and can be used in Alarm Filters.

FOR INTERNAL USE ONLY, NOT FOR CUSTOMERS

Gets or sets an id that maps the field to a group of fields. This is useful to aggregate different fields in the same column.

Specify if the Built in type is an array

Gets or sets a property name of the OPC UA Event type property member.

For internal use only. Not for customer use

Gets or Sets a type of the data that are available through this UaEventField.

Checks if the virtual field should contains a command instead of an expression