Download A Programmer's Introduction to C# by Eric Gunnerson PDF

By Eric Gunnerson

C# is the foremost language for Microsoft's subsequent iteration of home windows prone, the .NET platform. This new programming language is speedy and glossy and used to be designed to extend programmer productiveness. C# allows programmers to speedy construct quite a lot of purposes for the recent Microsoft .NET platform. The .Net platform allows builders to construct C# parts to develop into internet providers on hand around the net. utilizing C# language constructs, those parts will be switched over into net providers, letting them be invoked around the web. Gunnerson's publication is designed as a accomplished reference for specialist programmers to assist get them up to the mark on C#. The writer is a lead developer on Microsoft's C# improvement staff, and has logged many developer hours writing and trying out C# code. As such, he is uniquely poised to educate builders the potent use of this new language. A Microsoft insider, Gunnerson is additionally in a position to clarify to readers how C# suits into Microsoft's new .NET framework. a last component of the ebook offers a historical past of C#, and a language comparability to different primary programming languages. Gunnerson's booklet presents a origin upon which programmers can start to strengthen in C#. one of the middle subject matters lined are the COM+ setting, statements and circulation of execution, periods, structs, interfaces, expressions, arrays, enums, delegates and occasions, exception dealing with, interoperability, and chosen complex themes.

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Extra resources for A Programmer's Introduction to C#

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GetPredefinedColor() function gets copied immediately to the background variable and then is available for collection. Private Constructors Because there are no global variables or constants in C#, all declarations must be placed within a class. This sometimes leads to classes that are composed entirely of static members. In this case, there is no reason to ever instantiate an object of the class, and this can be prevented by adding a private constructor to the class. 1415926535; } class Test { PiHolder pi = new PiHolder(); // error } Though the addition of private before the constructor definition does not change the actual accessibility of the constructor, stating it explicitly makes it clear that the class was intended to have a private constructor.

Because the class is internal, however, the public on PublicFunction() is reduced to internal. Chapter 8: Other Class Stuff - 52 - Overview THIS CHAPTER DISCUSSES some miscellaneous issues dealing with classes, including constructors, nesting, and overloading rules. Nested Classes Sometimes, it is convenient to nest classes within other classes, such as when a helper class is only used by one other class. The accessibility of the nested class follows similar rules to the ones outlined for the interaction of class and member modifiers.

In most cases, the only valid modifiers on a class are public, which means that everybody can see the class, and internal. " Internal is a way of granting access to a wider set of classes without granting access to everybody, and it is most often used when writing helper classes that should be hidden from the ultimate user of the class. NET Runtime world, internal equates to allowing access to all classes that are in the same assembly as this class. In the C++ world, such accessibility is usually granted by the use of friends, Note which provide access to a specific class.

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