UnaryOperatorType Enum

Enumerates unary operator types.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v18.2.dll

Declaration

public enum UnaryOperatorType

Public Enum UnaryOperatorType

Name	Description
BitwiseNot	Represents the bitwise NOT operator. To create the bitwise NOT operator using the CriteriaOperator.Parse method use the following syntax: CriteriaOperator.Parse("~Field1")
Plus	Represents the unary plus (+) operator.
Minus	Represents the unary negation (-) operator. To create the unary negation operator using the CriteriaOperator.Parse method use the following syntax: CriteriaOperator.Parse("-Field1 = -10")
Not	Represents the logical NOT. To create the logical NOT operator using the CriteriaOperator.Parse method use the following syntax: CriteriaOperator.Parse("NOT ((Field1 = A) OR (Field1 = B))")
IsNull	Represents the operator which determines whether or not a given expression is NULL. To create the is-null operator using the CriteriaOperator.Parse method use the following syntax: CriteriaOperator.Parse("Field1 IS NULL")

The UnaryOperatorType enumeration contains unary operator types that can be used to create expressions via the UnaryOperator objects.