Download A Programmer's Guide to C# 5.0 by Eric Gunnerson PDF

By Eric Gunnerson

A Programmer’s advisor to C# 5.0 is a booklet for software program builders who are looking to really comprehend C#. even if you’ve labored with C# sooner than or with one other general-purpose programming language, each one fast paced, concentrated bankruptcy will take you immediately to the center of a characteristic of C# and convey you why it really works how it does.

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Extra info for A Programmer's Guide to C# 5.0

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NET Framework, objects can indicate that they hold on to such resources by implementing the IDisposable interface, which has a single member named Dispose(). This member does the same cleanup as the finalizer, but it also needs to do some additional work. SuppressFinalize() so that the garbage collector won’t bother to finalize this object. InteropServices; 2 The discussion why this isn’t possible is long and involved. In summary, lots of really smart people tried to make it work and couldn’t. 3 This is different from the finalizer.

The definition with the object parameter doesn’t match, but neither does the one with the object array. When both of these matches fail, the compiler notices that the params keyword was specified, and it then tries to match the parameter list by removing the array part of the params parameter and duplicating that parameter until there are the same number of parameters. If this results in a function that matches, it then writes the code to create the object array. Write("Port Test: ", temp); In this example, the params parameter was an object array, but it can be an array of any type.

It also makes class maintenance easier since it’s clearer what the initial value of a member is. To implement this, the compiler adds code to initialize these functions to the beginning of every constructor. ■■Tip As a general rule, if a member has differing values depending on the constructor used, the field value should be set in the constructor. If the value is set in the initializer, it may not be clear that the member may have a different value after a constructor call. Destructors Strictly speaking, C# doesn’t have destructors, at least not in the way that most developers think of destructors, where the destructor is called when the object is deleted.

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