# OSGeo::FDO::Expression::UnaryExpression Class Reference
[OSGeo::FDO::Expression]

Inheritance diagram for OSGeo::FDO::Expression::UnaryExpression:

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List of all members.

## Detailed Description

The UnaryExpression class derives from Expression and allows negation of arithmetic expressions.

()

## Public Member Functions
__property OSGeo::FDO::Expression::Expression * | get_Expressions ()
| Gets the expression to be operated on.
__property OSGeo::FDO::Expression::UnaryOperations | get_Operation ()
| Gets the unary operation to be evaluated by this expression.
System::Void | Process (OSGeo::FDO::Expression::IExpressionProcessor *processor)
| Overrides Expression.Process to pass the UnaryExpression to the appropriate expression processor operation.
__property System::Void | set_Expressions (OSGeo::FDO::Expression::Expression *value)
| Sets the expression to be operated on.
__property System::Void | set_Operation (OSGeo::FDO::Expression::UnaryOperations value)
| Sets the unary operation to be evaluated by this expression.
System::String * | ToString ()
| Returns the well defined text representation of this expression.
| UnaryExpression (System::IntPtr unmanaged, System::Boolean autoDelete)
| Constructs a UnaryExpression object based on an unmanaged instance of the object.
| UnaryExpression (OSGeo::FDO::Expression::UnaryOperations operation, OSGeo::FDO::Expression::Expression *expression)
| Constructs an instance of an UnaryExpression using the specified arguments.
| UnaryExpression ()
| Constructs a default instance of an UnaryExpression.