MethodCallExpression Sınıf

Tanım

public ref class MethodCallExpression : System::Linq::Expressions::Expression, System::Linq::Expressions::IArgumentProvider

public ref class MethodCallExpression sealed : System::Linq::Expressions::Expression

public ref class MethodCallExpression : System::Linq::Expressions::Expression

public class MethodCallExpression : System.Linq.Expressions.Expression, System.Linq.Expressions.IArgumentProvider

public sealed class MethodCallExpression : System.Linq.Expressions.Expression

public class MethodCallExpression : System.Linq.Expressions.Expression

type MethodCallExpression = class
    inherit Expression
    interface IArgumentProvider

type MethodCallExpression = class
    inherit Expression

Public Class MethodCallExpression
Inherits Expression
Implements IArgumentProvider

Public NotInheritable Class MethodCallExpression
Inherits Expression

Public Class MethodCallExpression
Inherits Expression

Devralma

Object

Expression

MethodCallExpression

Uygulamalar

IArgumentProvider

Örnekler

Aşağıdaki örnek, iki boyutlu bir MethodCallExpression dizide dizin oluşturmayı temsil eden bir nesne oluşturur.

string[,] gradeArray =
    { {"chemistry", "history", "mathematics"}, {"78", "61", "82"} };

System.Linq.Expressions.Expression arrayExpression =
    System.Linq.Expressions.Expression.Constant(gradeArray);

// Create a MethodCallExpression that represents indexing
// into the two-dimensional array 'gradeArray' at (0, 2).
// Executing the expression would return "mathematics".
System.Linq.Expressions.MethodCallExpression methodCallExpression =
    System.Linq.Expressions.Expression.ArrayIndex(
        arrayExpression,
        System.Linq.Expressions.Expression.Constant(0),
        System.Linq.Expressions.Expression.Constant(2));

Console.WriteLine(methodCallExpression.ToString());

// This code produces the following output:
//
// value(System.String[,]).Get(0, 2)

Dim gradeArray(,) As String = _
    {{"chemistry", "history", "mathematics"}, {"78", "61", "82"}}

Dim arrayExpression As System.Linq.Expressions.Expression = _
    System.Linq.Expressions.Expression.Constant(gradeArray)

' Create a MethodCallExpression that represents indexing
' into the two-dimensional array 'gradeArray' at (0, 2).
' Executing the expression would return "mathematics".
Dim methodCallExpression As System.Linq.Expressions.MethodCallExpression = _
    System.Linq.Expressions.Expression.ArrayIndex( _
        arrayExpression, _
        System.Linq.Expressions.Expression.Constant(0), _
        System.Linq.Expressions.Expression.Constant(2))

Console.WriteLine(methodCallExpression.ToString())

' This code produces the following output:
'
' value(System.String[,]).Get(0, 2)

Açıklamalar

Calloluşturmak MethodCallExpressioniçin , ArrayIndexveya ArrayIndex fabrika yöntemini kullanın.

Bir MethodCallExpression nesnenin NodeType özelliğinin değeri şeklindedirCall.

Özellikler

Yöntemler

Belirtik Arabirim Kullanımları

Şunlara uygulanır