Expression.AddAssign Yöntem

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

public:
 static System::Linq::Expressions::BinaryExpression ^ AddAssign(System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right);

public static System.Linq.Expressions.BinaryExpression AddAssign (System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right);

static member AddAssign : System.Linq.Expressions.Expression * System.Linq.Expressions.Expression -> System.Linq.Expressions.BinaryExpression

Public Shared Function AddAssign (left As Expression, right As Expression) As BinaryExpression

Parametreler

Döndürülenler

BinaryExpression özelliğine AddAssignNodeType eşit olan ve ve RightLeft özellikleri belirtilen değerlere ayarlanmış bir.

Örnekler

Aşağıdaki kod örneği, bir tamsayı değişkenine değer ekleyen ve ardından işlemin sonucunu değişkene atayan bir ifadenin nasıl oluşturulacağını gösterir.

// Add the following directive to your file:
// using System.Linq.Expressions;

// The Parameter expression is used to create a variable.
ParameterExpression variableExpr = Expression.Variable(typeof(int), "sampleVar");

// The block expression enables you to execute several expressions sequentually.
// In this bloc, the variable is first initialized with 1.
// Then the AddAssign method adds 2 to the variable and assigns the result to the variable.
BlockExpression addAssignExpr = Expression.Block(
    new ParameterExpression[] { variableExpr },
    Expression.Assign(variableExpr, Expression.Constant(1)),
    Expression.AddAssign(
        variableExpr,
        Expression.Constant(2)
    )
);

// Print out the expression from the block expression.
Console.WriteLine("The expressions from the block expression:");
foreach (var expr in addAssignExpr.Expressions)
    Console.WriteLine(expr.ToString());

Console.WriteLine("The result of executing the expression tree:");
// The following statement first creates an expression tree,
// then compiles it, and then executes it.
Console.WriteLine(Expression.Lambda<Func<int>>(addAssignExpr).Compile()());

// This code example produces the following output:
//
// The expressions from the block expression:
// (sampleVar = 1)
// (sampleVar += 2)

// The result of executing the expression tree:
// 3

' Add the following directive to your file:
' Imports System.Linq.Expressions 

' The parameter expression is used to create a variable.
Dim variableExpr As ParameterExpression = Expression.Variable(GetType(Integer), "sampleVar")

' The block expression enables you to execute several expressions sequentually.
' In this block, the variable is first initialized with 1. 
' Then the AddAssign method adds 2 to the variable and assigns the result to the variable.
Dim addAssignExpr As BlockExpression = Expression.Block(
    New ParameterExpression() {variableExpr},
    Expression.Assign(variableExpr, Expression.Constant(1)),
    Expression.AddAssign(
        variableExpr,
        Expression.Constant(2)
    )
)

' Print the expression from the block expression.
Console.WriteLine("The expressions from the block expression:")
For Each expr As Expression In addAssignExpr.Expressions
    Console.WriteLine(expr.ToString())
Next

Console.WriteLine("The result of executing the expression tree:")
' The following statement first creates an expression tree,
' then compiles it, and then executes it.
Console.WriteLine(Expression.Lambda(Of Func(Of Integer))(addAssignExpr).Compile()())

' This code example produces the following output:
'
' The expressions from the block expression:
' (sampleVar = 1)
' (sampleVar += 2)

' The result of executing the expression tree:
' 3

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

public:
 static System::Linq::Expressions::BinaryExpression ^ AddAssign(System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right, System::Reflection::MethodInfo ^ method);

public static System.Linq.Expressions.BinaryExpression AddAssign (System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, System.Reflection.MethodInfo method);

public static System.Linq.Expressions.BinaryExpression AddAssign (System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, System.Reflection.MethodInfo? method);

static member AddAssign : System.Linq.Expressions.Expression * System.Linq.Expressions.Expression * System.Reflection.MethodInfo -> System.Linq.Expressions.BinaryExpression

Public Shared Function AddAssign (left As Expression, right As Expression, method As MethodInfo) As BinaryExpression

Parametreler

Döndürülenler

BinaryExpression özelliğine AddAssignNodeType eşit olan ve Left, Rightve Method özellikleri belirtilen değerlere ayarlanmış.

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

Kaynak:

BinaryExpression.cs

public:
 static System::Linq::Expressions::BinaryExpression ^ AddAssign(System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right, System::Reflection::MethodInfo ^ method, System::Linq::Expressions::LambdaExpression ^ conversion);

public static System.Linq.Expressions.BinaryExpression AddAssign (System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, System.Reflection.MethodInfo method, System.Linq.Expressions.LambdaExpression conversion);

public static System.Linq.Expressions.BinaryExpression AddAssign (System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, System.Reflection.MethodInfo? method, System.Linq.Expressions.LambdaExpression? conversion);

static member AddAssign : System.Linq.Expressions.Expression * System.Linq.Expressions.Expression * System.Reflection.MethodInfo * System.Linq.Expressions.LambdaExpression -> System.Linq.Expressions.BinaryExpression

Public Shared Function AddAssign (left As Expression, right As Expression, method As MethodInfo, conversion As LambdaExpression) As BinaryExpression

Parametreler

Döndürülenler

BinaryExpression özelliğine AddAssignNodeType eşit olan ve Left, Right, Methodve Conversion özellikleri belirtilen değerlere ayarlanmış.