ReferenceConverter 类

定义

提供将对象引用与其他表示形式相互转换的类型转换器。Provides a type converter to convert object references to and from other representations.

public ref class ReferenceConverter : System::ComponentModel::TypeConverter
public class ReferenceConverter : System.ComponentModel.TypeConverter
type ReferenceConverter = class
    inherit TypeConverter
Public Class ReferenceConverter
Inherits TypeConverter
继承
ReferenceConverter
派生

注解

ReferenceConverter 通常在已放置的组件的上下文或设计环境内使用。The ReferenceConverter is typically used within the context of sited components or a design environment. 如果没有组件站点或可用的 ITypeDescriptorContext,则此转换器的用途很少。Without a component site or a usable ITypeDescriptorContext, this converter is of little use.

此转换器转换实现 IComponent 接口的对象的引用,并在 "属性" 窗口中显示其属性。This converter converts a reference of an object that implements the IComponent interface and displays its properties in the Properties window.

有关类型转换器的详细信息,请参阅 TypeConverter 基类和如何:实现类型转换器For more information about type converters, see the TypeConverter base class and How to: Implement a Type Converter.

备注

永远不应创建 ReferenceConverter 类的实例。You should never create an instance of the ReferenceConverter class. 而应调用 GetConverter 类的 TypeDescriptor 方法。Instead, call the GetConverter method of the TypeDescriptor class. 有关详细信息,请参阅 TypeConverter 基类中的示例。For more information, see the examples in the TypeConverter base class.

此类提供 IsValueAllowed 方法来检查是否可以将特定值添加到标准值集合中。This class provides the IsValueAllowed method to check whether a particular value can be added to the standard values collection. 如果不想将该值添加到集合中,请重写此方法。If you do not want to add the value to the collection, override this method.

继承者说明

如果您不希望向标准值集合添加值,请重写 IsValueAllowed(ITypeDescriptorContext, Object) 方法。Override the IsValueAllowed(ITypeDescriptorContext, Object) method when you do not want to add a value to the standard values collection.

构造函数

ReferenceConverter(Type)

初始化 ReferenceConverter 类的新实例。Initializes a new instance of the ReferenceConverter class.

方法

CanConvertFrom(ITypeDescriptorContext, Type)

获取一个值,该值指示此转换器是否可使用指定上下文将给定源类型的对象转换为引用对象。Gets a value indicating whether this converter can convert an object in the given source type to a reference object using the specified context.

CanConvertFrom(Type)

返回该转换器是否可以将给定类型的对象转换为此转换器的类型。Returns whether this converter can convert an object of the given type to the type of this converter.

(继承自 TypeConverter)
CanConvertTo(ITypeDescriptorContext, Type)

返回此转换器能否使用指定上下文将对象转换为指定类型。Returns whether this converter can convert the object to the specified type, using the specified context.

(继承自 TypeConverter)
CanConvertTo(Type)

返回此转换器是否可将该对象转换为指定的类型。Returns whether this converter can convert the object to the specified type.

(继承自 TypeConverter)
ConvertFrom(ITypeDescriptorContext, CultureInfo, Object)

将给定对象转换为引用类型。Converts the given object to the reference type.

ConvertFrom(Object)

将给定值转换为此转换器的类型。Converts the given value to the type of this converter.

(继承自 TypeConverter)
ConvertFromInvariantString(ITypeDescriptorContext, String)

使用不变区域性和指定上下文将给定字符串转换为此转换器的类型。Converts the given string to the type of this converter, using the invariant culture and the specified context.

(继承自 TypeConverter)
ConvertFromInvariantString(String)

使用不变区域性将给定字符串转换为此转换器的类型。Converts the given string to the type of this converter, using the invariant culture.

(继承自 TypeConverter)
ConvertFromString(ITypeDescriptorContext, CultureInfo, String)

使用指定的上下文和区域性信息将给定的文本转换为对象。Converts the given text to an object, using the specified context and culture information.

(继承自 TypeConverter)
ConvertFromString(ITypeDescriptorContext, String)

使用指定的上下文将给定的文本转换为对象。Converts the given text to an object, using the specified context.

(继承自 TypeConverter)
ConvertFromString(String)

将指定文本转换为对象。Converts the specified text to an object.

(继承自 TypeConverter)
ConvertTo(ITypeDescriptorContext, CultureInfo, Object, Type)

使用指定上下文和参数将给定值对象转换为引用类型。Converts the given value object to the reference type using the specified context and arguments.

ConvertTo(Object, Type)

使用参数将给定的值对象转换为指定的类型。Converts the given value object to the specified type, using the arguments.

(继承自 TypeConverter)
ConvertToInvariantString(ITypeDescriptorContext, Object)

使用指定的上下文将指定的值转换为区域性不变的字符串表示形式。Converts the specified value to a culture-invariant string representation, using the specified context.

(继承自 TypeConverter)
ConvertToInvariantString(Object)

将指定值转换为区域性不变的字符串表示形式。Converts the specified value to a culture-invariant string representation.

(继承自 TypeConverter)
ConvertToString(ITypeDescriptorContext, CultureInfo, Object)

使用指定的上下文和区域性信息将给定的值转换为字符串表示形式。Converts the given value to a string representation, using the specified context and culture information.

(继承自 TypeConverter)
ConvertToString(ITypeDescriptorContext, Object)

使用给定的上下文将给定的值转换为字符串表示形式。Converts the given value to a string representation, using the given context.

(继承自 TypeConverter)
ConvertToString(Object)

将指定值转换为字符串表示形式。Converts the specified value to a string representation.

(继承自 TypeConverter)
CreateInstance(IDictionary)

在给定 Object 的一组属性值的情况下重新创建该对象。Re-creates an Object given a set of property values for the object.

(继承自 TypeConverter)
CreateInstance(ITypeDescriptorContext, IDictionary)

给定该对象的一组属性值,使用指定上下文创建与此 TypeConverter 相关联的类型的实例。Creates an instance of the type that this TypeConverter is associated with, using the specified context, given a set of property values for the object.

(继承自 TypeConverter)
Equals(Object)

确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(继承自 Object)
GetConvertFromException(Object)

返回当转换无法执行时所引发的异常。Returns an exception to throw when a conversion cannot be performed.

(继承自 TypeConverter)
GetConvertToException(Object, Type)

返回当转换无法执行时所引发的异常。Returns an exception to throw when a conversion cannot be performed.

(继承自 TypeConverter)
GetCreateInstanceSupported()

返回更改此对象的值是否求调用 CreateInstance(IDictionary) 方法来创建新值。Returns whether changing a value on this object requires a call to the CreateInstance(IDictionary) method to create a new value.

(继承自 TypeConverter)
GetCreateInstanceSupported(ITypeDescriptorContext)

返回一个结果,即更改此对象上的某个值是否需要调用 CreateInstance(IDictionary) 以使用指定的上下文创建新值。Returns whether changing a value on this object requires a call to CreateInstance(IDictionary) to create a new value, using the specified context.

(继承自 TypeConverter)
GetHashCode()

用作默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetProperties(ITypeDescriptorContext, Object)

使用指定的上下文返回值参数指定的数组类型的属性的集合。Returns a collection of properties for the type of array specified by the value parameter, using the specified context.

(继承自 TypeConverter)
GetProperties(ITypeDescriptorContext, Object, Attribute[])

使用指定的上下文和特性返回由该值参数指定的数组类型的属性集合。Returns a collection of properties for the type of array specified by the value parameter, using the specified context and attributes.

(继承自 TypeConverter)
GetProperties(Object)

返回由值参数指定的数组类型的属性集合。Returns a collection of properties for the type of array specified by the value parameter.

(继承自 TypeConverter)
GetPropertiesSupported()

返回此对象是否支持属性。Returns whether this object supports properties.

(继承自 TypeConverter)
GetPropertiesSupported(ITypeDescriptorContext)

通过使用指定的上下文,返回此对象是否支持属性。Returns whether this object supports properties, using the specified context.

(继承自 TypeConverter)
GetStandardValues()

从默认的上下文返回此类型转换器设计用于的数据类型的标准值集合。Returns a collection of standard values from the default context for the data type this type converter is designed for.

(继承自 TypeConverter)
GetStandardValues(ITypeDescriptorContext)

获取引用数据类型的标准值的集合。Gets a collection of standard values for the reference data type.

GetStandardValuesExclusive()

返回从 GetStandardValues() 返回的标准值的集合是否为独占列表。Returns whether the collection of standard values returned from GetStandardValues() is an exclusive list.

(继承自 TypeConverter)
GetStandardValuesExclusive(ITypeDescriptorContext)

获取一个值,该值指示从 GetStandardValues(ITypeDescriptorContext) 返回的标准值的列表是否为独占列表。Gets a value indicating whether the list of standard values returned from GetStandardValues(ITypeDescriptorContext) is an exclusive list.

GetStandardValuesSupported()

返回此对象是否支持可以从列表中选取的值的标准集。Returns whether this object supports a standard set of values that can be picked from a list.

(继承自 TypeConverter)
GetStandardValuesSupported(ITypeDescriptorContext)

获取一个值,该值指示此对象是否支持可从列表中选取的标准值集。Gets a value indicating whether this object supports a standard set of values that can be picked from a list.

GetType()

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

(继承自 Object)
IsValid(ITypeDescriptorContext, Object)

返回给定的值对象是否对此类型和对指定的上下文有效。Returns whether the given value object is valid for this type and for the specified context.

(继承自 TypeConverter)
IsValid(Object)

返回给定值对象对于此类型是否有效。Returns whether the given value object is valid for this type.

(继承自 TypeConverter)
IsValueAllowed(ITypeDescriptorContext, Object)

返回一个值,该值指示某个特定值是否可以添加到标准值集合中。Returns a value indicating whether a particular value can be added to the standard values collection.

MemberwiseClone()

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

(继承自 Object)
SortProperties(PropertyDescriptorCollection, String[])

对属性的集合进行排序。Sorts a collection of properties.

(继承自 TypeConverter)
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)

适用于