The VirtualEventField type exposes the following members.
Methods
| Name | Description | |
|---|---|---|
 | ConvertType |
Converts the type of an object depending on the type specified for this field
(Inherited from EventField.) |
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
| GetAliases |
Retrieves the aliases used in the expression
|
| GetBuiltInType |
A simple helper used to get Field Type from BuiltinType
(Inherited from EventField.) |
| GetExpressionKey |
Gets the tag used to create expressions
(Inherited from EventField.) |
| GetExpressionTag |
Gets the tag used to create expressions
(Inherited from EventField.) |
| GetGroupKey |
Returns the key for the group associated with this EventField (Inherited from EventField.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetName |
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.
(Inherited from EventField.) |
| GetNullableType |
Gets a nullable type for special cases when the array values can be nullable
(Inherited from EventField.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| GetUniqueKey |
Returns the key for this EventField (Inherited from EventField.) |
| GetVirtualValue |
Evaluates the row using this filter
|
| IsCurrentValueAttribute |
Checks if this field is a CurrentValue attribute
(Inherited from EventField.) |
| IsHistoricalAttribute |
Checks if the field is an historical attribute
(Inherited from EventField.) |
| IsOpcAeCategory()()()() |
Checks if the field is a custom OPC AE attribute
(Inherited from EventField.) |
| ToString |
Returns a String that represents the current Object.
(Inherited from EventField.) |
