Структура ReportExpression<T>

Represents an expression in the report.

Пространство имен:  Microsoft.ReportingServices.RdlObjectModel
Сборка:  Microsoft.ReportingServices.Designer.Controls (в Microsoft.ReportingServices.Designer.Controls.dll)

Синтаксис

'Декларация
Public Structure ReportExpression(Of T As {Structure, New}) _
    Implements IExpression, IXmlSerializable, IFormattable
'Применение
Dim instance As ReportExpression(Of T)

public struct ReportExpression<T> : IExpression, 
    IXmlSerializable, IFormattable 
where T : struct, new()

generic<typename T>
where T : value class, gcnew()
public value class ReportExpression : IExpression, 
    IXmlSerializable, IFormattable

[<SealedAttribute>]
type ReportExpression<'T when 'T : struct, new()> =  
    struct 
        interface IExpression 
        interface IXmlSerializable 
        interface IFormattable 
    end

JScript не поддерживает стандартные типы и методы.

Параметры типа

• T
  The type of the expression.

Тип ReportExpression<T> обеспечивает доступ к следующим элементам.

Конструкторы

	Имя	Описание
	ReportExpression<T>(String)	Initializes a new instance of the ReportExpression<T> class.
	ReportExpression<T>(T)	Initializes a new instance of the ReportExpression<T> class.
	ReportExpression<T>(String, IFormatProvider)	Initializes a new instance of the ReportExpression<T> class.

В начало

Свойства

	Имя	Описание
	Expression	Gets or sets the expression value.
	IsEmpty	Gets or sets a value that indicates whether the expression object is empty.
	IsExpression	Gets a value that indicates whether this is an expression.
	Value	Gets or sets the calculated value.

В начало

Методы

	Имя	Описание
	Equals	Tests the equality of the Value property with another object. (Переопределяет ValueType.Equals(Object).)
	GetDependencies	Gets the object’s dependencies.
	GetHashCode	Gets a unique hash code for this instance. (Переопределяет ValueType.GetHashCode().)
	GetType	(Производный от Object.)
	Parse	Parses a string value into a ReportExpression<T> object.
	ToString()	Converts the current ReportExpression<T> object to a string. (Переопределяет ValueType.ToString().)
	ToString(String, IFormatProvider)	Converts the current ReportExpression<T> object to a string.

В начало

Операторы

	Имя	Описание
	Equality(String, ReportExpression<T>)	Tests the equality between an expression and a ReportExpression<T> object.
	Equality(T, ReportExpression<T>)	Tests the equality between an object and a ReportExpression<T> object.
	Equality(ReportExpression<T>, ReportExpression<T>)	Tests the equality between two ReportExpression<T> objects.
	Equality(ReportExpression<T>, String)	Tests the equality between an expression and a ReportExpression<T> object.
	Equality(ReportExpression<T>, T)	Tests the equality between an object and a ReportExpression<T> object.
	Explicit(ReportExpression<T> to T)	Converts the value of a ReportExpression<T> to an object of type T.
	Explicit(ReportExpression<T> to String)	Converts the value of a ReportExpression<T> to a string.
	Implicit(Nullable<T> to ReportExpression<T>)	Converts a Nullable<T> object to a ReportExpression<T>.
	Implicit(T to ReportExpression<T>)	Converts an object of type T to a ReportExpression<T>.
	Inequality(String, ReportExpression<T>)	Tests the inequality between an expression and a ReportExpression<T> object.
	Inequality(T, ReportExpression<T>)	Tests the inequality between an object of type T and a ReportExpression<T> object.
	Inequality(ReportExpression<T>, ReportExpression<T>)	Tests the inequality between two ReportExpression<T> objects.
	Inequality(ReportExpression<T>, String)	Tests the inequality between an expression and a ReportExpression<T> object.
	Inequality(ReportExpression<T>, T)	Tests the inequality between an object of type T and a ReportExpression<T> object.

В начало

Явные реализации интерфейса

	Имя	Описание
	IXmlSerializable.GetSchema	Returns the xml schema.
	IXmlSerializable.ReadXml	Reads the xml document of the expression.
	IXmlSerializable.WriteXml	Writes the xml document of the expression.
	IExpression.Value	Gets or sets the value of the expression.

В начало

Безопасность многопоточности

Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.

См. также

Справочник

Пространство имен Microsoft.ReportingServices.RdlObjectModel