ExpressionEditorAttribute 类

定义

指定表达式生成器的设计时编辑器。Specifies the design-time editor of the expression builder. 此类不能被继承。This class cannot be inherited.

public ref class ExpressionEditorAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=false)]
public sealed class ExpressionEditorAttribute : Attribute
type ExpressionEditorAttribute = class
    inherit Attribute
Public NotInheritable Class ExpressionEditorAttribute
Inherits Attribute
继承
ExpressionEditorAttribute
属性

注解

ExpressionEditorAttribute 类指定由 ExpressionBuilder 类处理的表达式的设计时表达式编辑器。The ExpressionEditorAttribute class specifies the design-time expression editor for the expressions that are handled by an ExpressionBuilder class.

编辑控件属性时,可以使用表达式编辑器将属性值设置为表达式。When editing a control property, you can set the property value to an expression by using an editor for the expression.

开发 "表达式生成器" 时,可以使用 ExpressionEditorAttribute 特性标记生成器以设置编辑器类型值。When developing an expression builder, you can mark the builder with the ExpressionEditorAttribute attribute to set the editor type value.

构造函数

ExpressionEditorAttribute(String)

使用指定的类型名称初始化 ExpressionEditorAttribute 类的新实例。Initializes a new instance of the ExpressionEditorAttribute class using the specified type name.

ExpressionEditorAttribute(Type)

使用指定的类型对象初始化 ExpressionEditorAttribute 类的新实例。Initializes a new instance of the ExpressionEditorAttribute class using the specified type object.

属性

EditorTypeName

由表达式编辑器用于检索编辑器类型名称。Used by an expression editor to retrieve the editor type name.

TypeId

在派生类中实现时,获取此 Attribute 的唯一标识符。When implemented in a derived class, gets a unique identifier for this Attribute.

(继承自 Attribute)

方法

Equals(Object)

指示 ExpressionEditorAttribute 类的此实例与指定对象是否相等。Indicates whether this instance of the ExpressionEditorAttribute class and a specified object are equal.

GetHashCode()

检索此 ExpressionEditorAttribute 特性的值的哈希代码。Retrieves the hash code for the value of this ExpressionEditorAttribute attribute.

GetType()

获取当前实例的 TypeGets the Type of the current instance.

(继承自 Object)
IsDefaultAttribute()

在派生类中重写时,指示此实例的值是否是派生类的默认值。When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

(继承自 Attribute)
Match(Object)

当在派生类中重写时,返回一个指示此实例是否等于指定对象的值。When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.

(继承自 Attribute)
MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(继承自 Object)

显式接口实现

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

将一组名称映射为对应的一组调度标识符。Maps a set of names to a corresponding set of dispatch identifiers.

(继承自 Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

检索对象的类型信息,然后可以使用该信息获取接口的类型信息。Retrieves the type information for an object, which can be used to get the type information for an interface.

(继承自 Attribute)
_Attribute.GetTypeInfoCount(UInt32)

检索对象提供的类型信息接口的数量(0 或 1)。Retrieves the number of type information interfaces that an object provides (either 0 or 1).

(继承自 Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

提供对某一对象公开的属性和方法的访问。Provides access to properties and methods exposed by an object.

(继承自 Attribute)

适用于

另请参阅