Thrown when an explicit conversion from a base type to an interface or to a derived type fails at runtime.
当从基类型到接口或派生类型的显式转换在运行时失败时，就会引发此异常。You need to understand how the name of a service endpoint interface and the signature of the endpoint methods are derived.
您需要理解服务端点接口的名称以及端点方法的签名是怎样派生的。Through a defined set of rules, those events are analyzed and correlated to trigger specific actions or to generate derived events.
通过一系列已定义规则分析和关联这些事件，以触发特定动作或生成派生事件。The standardized nature of XML has given rise to a number of derivative cross-platform, cross-language parsers and derivative technologies.
XML的标准化特性导致了一些跨平台、跨语言的解析器和派生技术的诞生。When overridden in a derived class, encodes a set of characters from the specified character array into a sequence of bytes.
在派生类中重写时，将指定字符数组中的一组字符编码为一个字节序列。A name can be hidden by an explicit declaration of that same name in a nested declarative region or derived class (10. 2).
名字被嵌套的声明区域或派生类（10.2）中相同名字的显式声明所隐藏。Or object to notify other classes or objects when something of interest happens. The class that sends or.
控件类不关心单击按钮时发生了什么，但它需要告知派生类单击事件已发生。Make sure that you use an encryption API that does not require the key to be stored somewhere and is not derived from the users password.
确保使用的加密API不需要在其他位置存储密钥，并且不是由用户的密码派生而来。When overridden in a derived class, returns a normalized copy of the object on which it is called.
当在派生类中重写时，返回在其上调用它的对象的正常化副本。