Expression.MakeBinary 方法

定義

命名空間:: System.Linq.Expressions

組件:: System.Linq.Expressions.dll

組件:: netstandard.dll

組件:: System.Core.dll

透過呼叫適當的 Factory 方法來建立 BinaryExpression。Creates a BinaryExpression by calling the appropriate factory method.

多載

MakeBinary(ExpressionType, Expression, Expression)	透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元和右運算元。Creates a BinaryExpression, given the left and right operands, by calling an appropriate factory method.
MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo)	透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元、右運算元和實作方法。Creates a BinaryExpression, given the left operand, right operand and implementing method, by calling the appropriate factory method.
MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo, LambdaExpression)	透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元、右運算元、實作方法和類型轉換函式。Creates a BinaryExpression, given the left operand, right operand, implementing method and type conversion function, by calling the appropriate factory method.

MakeBinary(ExpressionType, Expression, Expression)

透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元和右運算元。Creates a BinaryExpression, given the left and right operands, by calling an appropriate factory method.

public:
 static System::Linq::Expressions::BinaryExpression ^ MakeBinary(System::Linq::Expressions::ExpressionType binaryType, System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right);

public static System.Linq.Expressions.BinaryExpression MakeBinary (System.Linq.Expressions.ExpressionType binaryType, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right);

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

Public Shared Function MakeBinary (binaryType As ExpressionType, left As Expression, right As Expression) As BinaryExpression

參數

binaryType: ExpressionType

ExpressionType，指定二進位運算的類型。The ExpressionType that specifies the type of binary operation.

left: Expression

代表左運算元的 Expression。An Expression that represents the left operand.

right: Expression

代表右運算元的 Expression。An Expression that represents the right operand.

傳回

BinaryExpression

BinaryExpression，由呼叫適當的 Factory 方法所產生。The BinaryExpression that results from calling the appropriate factory method.

例外狀況

ArgumentException

binaryType 未對應到二進位運算式節點。binaryType does not correspond to a binary expression node.

ArgumentNullException

left 或 right 為 null。left or right is null.

範例

下列範例示範如何使用 MakeBinary(ExpressionType, Expression, Expression) 方法來建立 BinaryExpression ，其代表一個數位與另一個數位的減法。The following example demonstrates how to use the MakeBinary(ExpressionType, Expression, Expression) method to create a BinaryExpression that represents the subtraction of one number from another.

// Create a BinaryExpression that represents subtracting 14 from 53.
System.Linq.Expressions.BinaryExpression binaryExpression =
    System.Linq.Expressions.Expression.MakeBinary(
        System.Linq.Expressions.ExpressionType.Subtract,
        System.Linq.Expressions.Expression.Constant(53),
        System.Linq.Expressions.Expression.Constant(14));

Console.WriteLine(binaryExpression.ToString());

// This code produces the following output:
//
// (53 - 14)

' Create a BinaryExpression that represents subtracting 14 from 53.
Dim binaryExpression As System.Linq.Expressions.BinaryExpression = _
    System.Linq.Expressions.Expression.MakeBinary( _
        System.Linq.Expressions.ExpressionType.Subtract, _
        System.Linq.Expressions.Expression.Constant(53), _
        System.Linq.Expressions.Expression.Constant(14))

Console.WriteLine(binaryExpression.ToString())

' This code produces the following output:
'
' (53 - 14)

備註

binaryType參數會決定 BinaryExpression 這個方法所呼叫的 factory 方法。The binaryType parameter determines which BinaryExpression factory method this method calls. 例如，如果 binaryType 是 Subtract ，這個方法會叫用 Subtract 。For example, if binaryType is Subtract, this method invokes Subtract.

適用於

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo)

透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元、右運算元和實作方法。Creates a BinaryExpression, given the left operand, right operand and implementing method, by calling the appropriate factory method.

public:
 static System::Linq::Expressions::BinaryExpression ^ MakeBinary(System::Linq::Expressions::ExpressionType binaryType, System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right, bool liftToNull, System::Reflection::MethodInfo ^ method);

public static System.Linq.Expressions.BinaryExpression MakeBinary (System.Linq.Expressions.ExpressionType binaryType, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, bool liftToNull, System.Reflection.MethodInfo method);

public static System.Linq.Expressions.BinaryExpression MakeBinary (System.Linq.Expressions.ExpressionType binaryType, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, bool liftToNull, System.Reflection.MethodInfo? method);

static member MakeBinary : System.Linq.Expressions.ExpressionType * System.Linq.Expressions.Expression * System.Linq.Expressions.Expression * bool * System.Reflection.MethodInfo -> System.Linq.Expressions.BinaryExpression

Public Shared Function MakeBinary (binaryType As ExpressionType, left As Expression, right As Expression, liftToNull As Boolean, method As MethodInfo) As BinaryExpression

參數

binaryType: ExpressionType

ExpressionType，指定二進位運算的類型。The ExpressionType that specifies the type of binary operation.

left: Expression

代表左運算元的 Expression。An Expression that represents the left operand.

right: Expression

代表右運算元的 Expression。An Expression that represents the right operand.

liftToNull: Boolean

true 表示將 IsLiftedToNull 設定為 true，false 則表示將 IsLiftedToNull 設定為 false。true to set IsLiftedToNull to true; false to set IsLiftedToNull to false.

method: MethodInfo

MethodInfo，可指定實作的方法。A MethodInfo that specifies the implementing method.

傳回

BinaryExpression

BinaryExpression，由呼叫適當的 Factory 方法所產生。The BinaryExpression that results from calling the appropriate factory method.

例外狀況

ArgumentException

binaryType 未對應到二進位運算式節點。binaryType does not correspond to a binary expression node.

ArgumentNullException

left 或 right 為 null。left or right is null.

備註

binaryType參數 BinaryExpression 會決定此方法將呼叫的 factory 方法。The binaryType parameter determines which BinaryExpression factory method this method will call. 例如，如果 binaryType 是 Subtract ，這個方法會叫用 Subtract 。For example, if binaryType is Subtract, this method invokes Subtract. liftToNull method 如果適當的 factory 方法沒有對應的參數，則會忽略和參數。The liftToNull and method parameters are ignored if the appropriate factory method does not have a corresponding parameter.

適用於

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo, LambdaExpression)

透過呼叫適當的 Factory 方法來建立 BinaryExpression，指定左運算元、右運算元、實作方法和類型轉換函式。Creates a BinaryExpression, given the left operand, right operand, implementing method and type conversion function, by calling the appropriate factory method.

public:
 static System::Linq::Expressions::BinaryExpression ^ MakeBinary(System::Linq::Expressions::ExpressionType binaryType, System::Linq::Expressions::Expression ^ left, System::Linq::Expressions::Expression ^ right, bool liftToNull, System::Reflection::MethodInfo ^ method, System::Linq::Expressions::LambdaExpression ^ conversion);

public static System.Linq.Expressions.BinaryExpression MakeBinary (System.Linq.Expressions.ExpressionType binaryType, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, bool liftToNull, System.Reflection.MethodInfo method, System.Linq.Expressions.LambdaExpression conversion);

public static System.Linq.Expressions.BinaryExpression MakeBinary (System.Linq.Expressions.ExpressionType binaryType, System.Linq.Expressions.Expression left, System.Linq.Expressions.Expression right, bool liftToNull, System.Reflection.MethodInfo? method, System.Linq.Expressions.LambdaExpression? conversion);

static member MakeBinary : System.Linq.Expressions.ExpressionType * System.Linq.Expressions.Expression * System.Linq.Expressions.Expression * bool * System.Reflection.MethodInfo * System.Linq.Expressions.LambdaExpression -> System.Linq.Expressions.BinaryExpression

Public Shared Function MakeBinary (binaryType As ExpressionType, left As Expression, right As Expression, liftToNull As Boolean, method As MethodInfo, conversion As LambdaExpression) As BinaryExpression

參數

binaryType: ExpressionType

ExpressionType，指定二進位運算的類型。The ExpressionType that specifies the type of binary operation.

left: Expression

代表左運算元的 Expression。An Expression that represents the left operand.

right: Expression

代表右運算元的 Expression。An Expression that represents the right operand.

liftToNull: Boolean

true 表示將 IsLiftedToNull 設定為 true，false 則表示將 IsLiftedToNull 設定為 false。true to set IsLiftedToNull to true; false to set IsLiftedToNull to false.

method: MethodInfo

MethodInfo，可指定實作的方法。A MethodInfo that specifies the implementing method.

conversion: LambdaExpression

代表類型轉換函式的 LambdaExpression。A LambdaExpression that represents a type conversion function. 只有當 binaryType 為 Coalesce 或複合指派時，才會使用此參數。This parameter is used only if binaryType is Coalesce or compound assignment.

傳回

BinaryExpression

BinaryExpression，由呼叫適當的 Factory 方法所產生。The BinaryExpression that results from calling the appropriate factory method.

例外狀況

ArgumentException

binaryType 未對應到二進位運算式節點。binaryType does not correspond to a binary expression node.

ArgumentNullException

left 或 right 為 null。left or right is null.

備註

binaryType參數 BinaryExpression 會決定此方法將呼叫的 factory 方法。The binaryType parameter determines which BinaryExpression factory method this method will call. 例如，如果 binaryType 是 Subtract ，這個方法會叫用 Subtract 。For example, if binaryType is Subtract, this method invokes Subtract. liftToNull method conversion 如果適當的 factory 方法沒有對應的參數，則會忽略、和參數。The liftToNull, method and conversion parameters are ignored if the appropriate factory method does not have a corresponding parameter.

適用於

Expression.MakeBinary 方法

定義

多載

MakeBinary(ExpressionType, Expression, Expression)

參數

傳回

例外狀況

範例

備註

適用於

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo)

參數

傳回

例外狀況

備註

適用於

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo, LambdaExpression)

參數

傳回

例外狀況

備註

適用於

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