Expression.Lambda Method (Expression, ParameterExpression[])
Creates a LambdaExpression by first constructing a delegate type.
Assembly: System.Core (in System.Core.dll)
public static LambdaExpression Lambda( Expression body, params ParameterExpression[] parameters )
Parameters
- body
- Type: System.Linq.Expressions.Expression
An Expression to set the Body property equal to.
- parameters
- Type: System.Linq.Expressions.ParameterExpression[]
An array of ParameterExpression objects to use to populate the Parameters collection.
Return Value
Type: System.Linq.Expressions.LambdaExpressionA LambdaExpression that has the NodeType property equal to Lambda and the Body and Parameters properties set to the specified values.
| Exception | Condition |
|---|---|
| ArgumentNullException |
body is null. -or- One or more elements of parameters are null. |
| ArgumentException |
parameters contains more than sixteen elements. |
The parameters parameter must not have more than sixteen elements.
The elements of parameters must be reference equal to the parameter expressions in body.
This method constructs an appropriate delegate type from one of the System.Func generic delegates. It then passes the delegate type to one of the Lambda factory methods to create a LambdaExpression.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
