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DbExpressionBuilder.UnaryMinus Method

.NET Framework 4.5

Creates a new DbArithmeticExpression that negates the value of the argument.

Namespace:  System.Data.Common.CommandTrees.ExpressionBuilder
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public static DbArithmeticExpression UnaryMinus(
	this DbExpression argument
)

Parameters

argument
Type: System.Data.Common.CommandTrees.DbExpression

An expression that specifies the argument.

Return Value

Type: System.Data.Common.CommandTrees.DbArithmeticExpression
A new DbArithmeticExpression representing the negation operation.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type DbExpression. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

ExceptionCondition
ArgumentNullException

argument is null.

ArgumentException

No numeric result type exists for argument.

.NET Framework

Supported in: 4.6, 4.5
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