Статья
11/18/2011

Expression.Switch Method (Expression, Expression, MethodInfo, array<SwitchCase[])

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Creates a SwitchExpression that represents a switch statement that has a default case.

Namespace: System.Linq.Expressions
Assembly: System.Core (in System.Core.dll)

Syntax

'Declaration
Public Shared Function Switch ( _
    switchValue As Expression, _
    defaultBody As Expression, _
    comparison As MethodInfo, _
    ParamArray cases As SwitchCase() _
) As SwitchExpression

public static SwitchExpression Switch(
    Expression switchValue,
    Expression defaultBody,
    MethodInfo comparison,
    params SwitchCase[] cases
)

Parameters

switchValue
Type: System.Linq.Expressions.Expression
The value to be tested against each case.

defaultBody
Type: System.Linq.Expressions.Expression
The result of the switch if switchValue does not match any of the cases.

comparison
Type: System.Reflection.MethodInfo
The equality comparison method to use.

cases
Type: array<System.Linq.Expressions.SwitchCase[]
The set of cases for this switch expression.

Return Value

Type: System.Linq.Expressions.SwitchExpression
The created SwitchExpression.

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Поделиться через