NullableConverter.ConvertTo(ITypeDescriptorContext, CultureInfo, Object, Type) 方法

定义

使用指定的上下文和区域性信息将给定值对象转换为指定的类型。Converts the given value object to the specified type, using the specified context and culture information.

public:
 override System::Object ^ ConvertTo(System::ComponentModel::ITypeDescriptorContext ^ context, System::Globalization::CultureInfo ^ culture, System::Object ^ value, Type ^ destinationType);
public override object ConvertTo (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType);
override this.ConvertTo : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj * Type -> obj
Public Overrides Function ConvertTo (context As ITypeDescriptorContext, culture As CultureInfo, value As Object, destinationType As Type) As Object

参数

context
ITypeDescriptorContext

一个 ITypeDescriptorContext,用于提供格式上下文。An ITypeDescriptorContext that provides a format context.

culture
CultureInfo

要用作当前区域性的 CultureInfo 对象。The CultureInfo to use as the current culture.

value
Object

要转换的 ObjectThe Object to convert.

destinationType
Type

要将值参数转换为的 TypeThe Type to convert the value parameter to.

返回

Object

一个 Object,它表示转换后的值。An Object that represents the converted value.

例外

destinationTypenulldestinationType is null.

无法执行转换。The conversion cannot be performed.

适用于