Статья
11/17/2011

Expression.Switch Method (Type, Expression, Expression, MethodInfo, IEnumerable<SwitchCase>)

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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 ( _
    type As Type, _
    switchValue As Expression, _
    defaultBody As Expression, _
    comparison As MethodInfo, _
    cases As IEnumerable(Of SwitchCase) _
) As SwitchExpression

public static SwitchExpression Switch(
    Type type,
    Expression switchValue,
    Expression defaultBody,
    MethodInfo comparison,
    IEnumerable<SwitchCase> cases
)

Parameters

type
Type: System.Type
The result type of the switch.

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: System.Collections.Generic.IEnumerable<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.

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