摘要：1. C# classes can define a static constructor that is invoked exactly once for a class, typically just before the first reference to a member of that class. The Environment class contains members that... 阅读全文

摘要： A class library is a good way to encapsulate a common set of logic so it can be shared among multiple application. This is useful both to promote reusability of the classes in the library and to keep the portions of an application down to a manageable size. An interface is an abstraction of an abstraction, and should be familiar to programmers of COM or its UNIX ancestor, the distributed computing environment(DCE). While a class encapsulates a data structure and its operations, an interfa 阅读全文

摘要：Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 Context menu strips 1. Context menus provide quick access to commands immediately relevant to what the user is currently trying to acco... 阅读全文

摘要：Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 Menus 1. Menus provide a convenient way to group similar or related commands in one place. Controls and Containers 1. All Windows For... 阅读全文

摘要：Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 Programming with visual studio 1. vs uses projects and solutions to manage application development. .a project is a collection of file... 阅读全文