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Expression.Call Method (Type, String, Type[], Expression[])

Creates a MethodCallExpression that represents a call to a static (Shared in Visual Basic) method by calling the appropriate factory method.

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

public static MethodCallExpression Call(
	Type type,
	string methodName,
	Type[] typeArguments,
	params Expression[] arguments
)

Parameters

type
Type: System.Type

The Type that specifies the type that contains the specified static (Shared in Visual Basic) method.

methodName
Type: System.String

The name of the method.

typeArguments
Type: System.Type[]

An array of Type objects that specify the type parameters of the method.

arguments
Type: System.Linq.Expressions.Expression[]

An array of Expression objects that represent the arguments to the method.

Return Value

Type: System.Linq.Expressions.MethodCallExpression
A MethodCallExpression that has the NodeType property equal to Call, the Method property set to the MethodInfo that represents the specified static (Shared in Visual Basic) method, and the Arguments property set to the specified arguments.

ExceptionCondition
ArgumentNullException

type or methodName is null.

InvalidOperationException

No method whose name is methodName, whose type parameters match typeArguments, and whose parameter types match arguments is found in type or its base types.

-or-

More than one method whose name is methodName, whose type parameters match typeArguments, and whose parameter types match arguments is found in type or its base types.

The Type property of the resulting MethodCallExpression is equal to the return type of the method denoted by methodName. The Object property is null.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5

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