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.
返回
一个 Object,它表示转换后的值。An Object that represents the converted value.
例外
destinationType 为 null。destinationType is null.
无法执行转换。The conversion cannot be performed.