A Programmer's guide to C# 5.0 by Eric Gunnerson

By Eric Gunnerson

A Programmer's consultant to C# 5.0 is a ebook for software program builders who are looking to actually comprehend C#. no matter if you've gotten labored with C# sooner than or with one other general-purpose programming language, each one fast paced, centred bankruptcy will take you directly to the center of a characteristic of C# and exhibit you why it really works how it does. Written via one-time C# attempt Lead, software supervisor, and member of the unique C# language layout group, this booklet is a perfect spouse to the C# Language Specification, and works either as an educational and as a reference advisor. Now in its fourth version, you will discover updated insurance of all of the most up-to-date C# good points, together with Linq, covariance and contravariance, and async aid. you will find out how to: Use C# beneficial properties successfully, within the means they have been meant observe the most recent C# beneficial properties on your coding difficulties Streamline your database code utilizing LINQ Use async aid and the duty parallel library to enhance functionality. software extra successfully, successfully, and with actual perception into this mature and interesting language, with A Programmer's consultant to C# 5.0.  Read more...
C# and the .NET Runtime and Libraries --
C# QuickStart and constructing in C# --
Classes a hundred and one --
Base sessions and Inheritance --
Exception dealing with --
Member Accessibility and Overloading --
Other category info --
Structs (Value kinds) --
Interfaces --
Versioning and Aliases --
Statements and circulate of Execution --
Variable Scoping and yes project --
Operators and Expressions --
Conversions --
Arrays --
Properties --
Generic varieties --
Indexers, Enumerators, and Iterators --
Strings --
Enumerations --
Attributes --
Delegates, nameless equipment, and Lambdas --
Events --
Dynamic Typing --
User-Defined Conversions --
Operator Overloading --
Nullable forms --
Linq to things --
Linq to XML --
Linq to SQL --
Other Language info --
Making buddies with the .NET Framework --
System.Array and the gathering periods --
Threading --
Asynchronous and Parallel Programming --
Execution-Time Code iteration --
Interop --
.NET Base type Library evaluation --
Deeper into C# --
Logging and Debugging innovations --
IDEs and Utilities.

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Additional info for A Programmer's guide to C# 5.0

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WriteLine("{0} {1}", component, message); } This works pretty much the way you would expect it to; if you pass two arguments, it functions normally; but if you pass only one arguments, it will insert the value "Main" as the second arguments for the call. There is one restriction to default arguments; the value that is specified has to be a compile-time constant value. If you want to use a value that is determined at runtime, you will have to use method overloading instead. METHOD OVERLOADING VS DEFAULT ARGUMENTS Method overloading and default arguments give the same result in most situations, so it’s mostly a manner of choosing which one is more convenient.

You are at a point where catching and wrapping provide a real benefit to your caller. In this case, you’re going to catch the exception, wrap it, and then throw the wrapped exception. Say you are writing a mobile phone app that needs to be resilient if it loses network access. If you write logic to keep trying network operations, it will probably work, except that if you use polling you will run the battery down really quickly. The point here being that the correct retry behavior is typically something you need to design in architecturally, not handle at the low level.

4. If none of the catch blocks match, the search continues with step 1. WriteLine("Exception {0}", e); } } } The catch block that catches the DivideByZeroException is the first match and is therefore the one that is executed. 1 This example is a bit more complex: using System; class Test { static int Zero = 0; static void AFunction() { int j = 22 / Zero; // the following line is never executed. WriteLine("DivideByZero {0}", e); } } } 1 More specifically, a clause catching a derived exception cannot be listed after a clause catching a base exception.

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