SizeConverter.CreateInstance(ITypeDescriptorContext, IDictionary) 方法
定义
通过为对象使用一组指定的属性值来创建此类型的对象。Creates an object of this type by using a specified set of property values for the object. 这有助于创建具有可更改属性的不可更改对象。This is useful for creating non-changeable objects that have changeable properties.
public:
override System::Object ^ CreateInstance(System::ComponentModel::ITypeDescriptorContext ^ context, System::Collections::IDictionary ^ propertyValues);
public override object CreateInstance (System.ComponentModel.ITypeDescriptorContext context, System.Collections.IDictionary propertyValues);
override this.CreateInstance : System.ComponentModel.ITypeDescriptorContext * System.Collections.IDictionary -> obj
Public Overrides Function CreateInstance (context As ITypeDescriptorContext, propertyValues As IDictionary) As Object
参数
- context
- ITypeDescriptorContext
通过其可提供附加上下文的 TypeDescriptor。A TypeDescriptor through which additional context can be provided.
- propertyValues
- IDictionary
新属性值的字典。A dictionary of new property values. 该字典包含一系列名称值对,分别与从 GetProperties(ITypeDescriptorContext, Object, Attribute[]) 方法返回的每个属性相对应。The dictionary contains a series of name-value pairs, one for each property returned from the GetProperties(ITypeDescriptorContext, Object, Attribute[]) method.
返回
新创建的对象;如果未能创建该对象,则为 null。The newly created object, or null if the object could not be created. 默认实现返回 null。The default implementation returns null.