c vb and the net languages

... your C# compiler to check all of your code for CLS compliance The Role of the Base Class Libraries In addition to the CLR and CTS/CLS specifications, the NET platform provides a base class library ... explain the role of the NET 4.0 Dynamic Language Runtime (DLR) and the C# 2010 dynamic keyword Later chapters will examine some fairly advanced topics, such as object context, CIL code, and the construction ... System.Object collections via covariance and contravariance Perhaps the most important point to understand about the C# language is that it can only produce code that can execute within the NET runtime...

Ngày tải lên: 04/10/2013, 14:07

... binding The final topic of this chapter explores the role of NET attributes (both standard and custom) To illustrate the usefulness of each of these topics, the chapter concludes with the construction ... nature of the NET platform and the role of the Common Language Infrastructure (CLI) Chapter 2: Building C# Applications The goal of this chapter is to introduce you to the process of compiling and ... syntactical constructs introduced with NET 2.0 As well, Part exposes you to each member of the CTS (classes, interfaces, structures, enumerations, and delegates) and the construction of generic...

Ngày tải lên: 01/06/2014, 11:39

... to class types Table 1-1 CTS Class Characteristics Class Characteristic Meaning in Life Is the class “sealed” or not? Sealed classes cannot function as a base class to other classes Does the class ... instruct the C# compiler to check your code for CLS compliance using a single NET attribute: // Tell the C# compiler to check for CLS compliance [assembly: System.CLSCompliant(true)] oa d o rg Chapter ... end of method Calc::Add w 14 s Source Code The Calc.cs and Calc .vb code files are included under the Chapter subdirectory 8849CH01.qxd 10/1/07 10:30 AM Page 15 Simpo PDF Merge and Split Unregistered...

Ngày tải lên: 12/08/2014, 23:20

... to the Motorcycle class: class Motorcycle { public int driverIntensity; o oa d nl // Put back the default constructor public Motorcycle() {} ee -e bo o ks - w // Our custom constructor public ... new Console Application project named StaticData: w w When you create SavingsAccount objects, memory for the currBalance field is allocated for each class instance Static data, on the other hand, ... savings account class class SavingsAccount { public double currBalance; // A static point of data public static double currInterestRate = 0.04; public SavingsAccount(double balance) { currBalance =...

Ngày tải lên: 12/08/2014, 23:20

... ADO, under ADO .NET we have numerous connection objects we may choose between (SqlConnection, OracleConnection, OdbcConnection, etc.) Regardless of the fact that each connection object has a unique ... INTERFACES s Source Code The InterfaceNameClash project is located under the Chapter subdirectory Designing Interface Hierarchies o rg Interfaces can be arranged into an interface hierarchy Like a class ... into account each reference type member variable s Source Code The CloneablePoint project is located under the Chapter subdirectory Building Comparable Objects (IComparable) The System.IComparable...

Ngày tải lên: 12/08/2014, 23:20

... declare a local variable that allocates memory directly from the call stack (and is therefore not subject to NET garbage collection) To so, C# provides the stackalloc keyword, which is the C# ... by classical inheritance (the “is-a” relationship) In this case, the C# conversion process allows you to cast up and down the class hierarchy For example, a derived class can always be implicitly ... for consistency with the C and C+ + programming languages In C# , there is no separate preprocessing step Rather, preprocessing directives are processed as part of the lexical analysis phase of the...

Ngày tải lên: 12/08/2014, 23:20

... attributes The C# compiler (csc.exe) itself has been preprogrammed to discover the presence of various attributes during the compilation cycle For example, if the C# compiler encounters the [CLSCompliant] ... Members of the System.Diagnostics Namespace Process-Centric Types of the System.Diagnostics Namespace Meaning in Life The Process class provides access to local and remote processes and also allows ... http://www.simpopdf.com CHAPTER 17 s PROCESSES, APPDOMAINS, AND OBJECT CONTEXTS class SportsCar { public SportsCar() { // Get context information and print out context ID Context ctx = Thread.CurrentContext; Console.WriteLine("{0}...

Ngày tải lên: 12/08/2014, 23:20

... other such potential security risks? The answer, as far as the NET platform is concerned, is to make use of a NET- centric security mechanism known as Code Access Security Using CAS, the CLR can ... evidence s Source Code The MyEvidenceViewer project is included under the Chapter 20 subdirectory The Role of Code Groups nl oa d o rg Using evidence, the CLR can then place the assembly into a code ... 20-18 Changing the permission set for the My_Computer_Zone code group w w w fr ee -e bo o Once you click the OK button, you have just changed the security policy for your local machine Specifically...

Ngày tải lên: 12/08/2014, 23:20

... Open the Server Explorer, and ensure you have an active connection to the AutoLot database (if not, right-click the Data Connections icon and select Add Connection) At this point, select each 8849CH24.qxd ... declarations, etc.), you can load the object tree into the constructor of an XDocument type Consider the following CreateFunctionalXmlDoc() method, which first creates an in-memory document and ... query, extract the first item that meets the search criteria Once you update the object’s state, once again call SubmitChanges() static void UpdateCar(AutoLotObjectsDataContext ctx) { Console.WriteLine("*****...

Ngày tải lên: 12/08/2014, 23:20

... this chapter) You can compile this application using the following command set (recall from Chapter that the default response file [csc.rsp] automatically references numerous NET assemblies, including ... the Controls Collection w w The System.Windows.Forms.Control base class (which is the inheritance chain of the Form type) defines a property named Controls This property wraps a custom collection ... types) in the collection Clear() Removes all entries in the collection Count Returns the number of items in the collection GetEnumerator() Returns the IEnumerator interface for this collection Remove()...

Ngày tải lên: 12/08/2014, 23:20

... (often called Command) that returns an object implementing the ICommand interface, shown here: w w public interface ICommand { // Occurs when changes occur that affect whether // or not the command ... handle the CanExecute event (which allows you to specify whether the command occurs or not based on the operation of your program) and the Executed event (which is where you can author the content ... object to the Duration’s constructor Consider the following update to the current Click handlers, which will grow the label’s height over four seconds and fade the other label from view over the...

Ngày tải lên: 12/08/2014, 23:20

... DataTable theCars = dal.GetAllInventory(); dal.CloseConnection(); rg void Application_Start(Object sender, EventArgs e) { // First assign the static 'theCache' variable theCache = Context.Cache; ks ... DataTable in the cache theCache.Insert("AppDataTable", theCars, null, DateTime.Now.AddSeconds(15), Cache.NoSlidingExpiration, CacheItemPriority.Default, new CacheItemRemovedCallback(UpdateCarInventory)); ... dal.GetAllInventory(); dal.CloseConnection(); carsGridView.DataSource = theCars; carsGridView.DataBind(); } The CacheState project is included under the Chapter 33 subdirectory .fr s Source Code ee -e bo...

Ngày tải lên: 12/08/2014, 23:20

... one another The main body of the book is the next fifteen chapters of the book, which are stand-alone and cover specific topics Here, you can pick and choose the chapters that interest you the most ... as DCOM, COM+, and CORBA, you could, before the advent of NET, escape the sandbox of the application host computer But now with NET, the code to access the resources of the Internet is nearly ... of creating Windows services using C+ +/CLI • Chapter 17, “Network Programming”: The basics of network programming and the Socket assembly • Chapter 19, “Security”: The basics of NET security and...

Ngày tải lên: 26/10/2014, 21:25

... Look at the NET Platform Some Key Benefits of the NET Platform Introducing the Building Blocks of the NET Platform (the CLR, CTS, and CLS) .4 The Role of the Base Class Libraries ... For your convenience Apress has placed some of the front matter material after the index Please use the Bookmarks and Contents at a Glance links to access them Pro C# 5.0 and the NET 4.5 Framework ... Handlers 1184 Implementing the Spell Checking Logic 1185 Understanding WPF Commands 1186 xliii  CONTENTS The Intrinsic Command Objects 1186 Connecting...

Ngày tải lên: 06/03/2014, 03:20

... and decision constructs, and the construction of valid code statements Chapter 4: VB 2005 Programming Constructs, Part II Here you will complete your examination of basic coding constructs The ... this chapter, however, is to acquaint you with a number of NET- centric building blocks, such as the common language runtime (CLR), Common Type System (CTS), Common Language Specification (CLS), and ... is to acclimate you to the core aspects of the NET platform, the NET type system, and various development tools (many of which are open source) used during the construction of NET applications...

Ngày tải lên: 03/06/2014, 01:42

... For your convenience Apress has placed some of the front matter material after the index Please use the Bookmarks and Contents at a Glance links to access them Pro C# 5.0 and the NET ... Look at the NET Platform Some Key Benefits of the NET Platform Introducing the Building Blocks of the NET Platform (the CLR, CTS, and CLS) .4 The Role of the Base Class Libraries ... Handlers 1184 Implementing the Spell Checking Logic 1185 Understanding WPF Commands 1186 xliii  CONTENTS The Intrinsic Command Objects 1186 Connecting...

Ngày tải lên: 28/06/2014, 15:20

... Implementing the Spell Checking Logic 1249 Understanding WPF Control Commands 1250 The Intrinsic Control Command Objects 1250 Connecting Commands to the Command Property ... Service Asynchronously from the Client 1117 Designing WCF Data Contracts 1119 Using the Web-Centric WCF Service Project Template 1120 Implementing the Service Contract ... CONTENTS AT A GLANCE ■Chapter 16: Processes, AppDomains, and Object Contexts 653 ■Chapter 17: Understanding CIL and the Role of Dynamic Assemblies 687 ■Chapter 18: Dynamic Types and the...

Ngày tải lên: 01/08/2014, 16:35

... and decision constructs, and the construction of valid code statements Chapter 4: VB 2005 Programming Constructs, Part II Here you will complete your examination of basic coding constructs The ... this chapter, however, is to acquaint you with a number of NET- centric building blocks, such as the common language runtime (CLR), Common Type System (CTS), Common Language Specification (CLS), and ... is to acclimate you to the core aspects of the NET platform, the NET type system, and various development tools (many of which are open source) used during the construction of NET applications...

Ngày tải lên: 12/08/2014, 23:21

... 2005 conversion functions Table 3-7 VB 2005 Conversion Functions Conversion Function Meaning in Life CBool CByte CChar CDate CDbl CDec CInt CLng CObj CSByte CShort CSng CStr CUInt CULng CUShort Converts ... our application Figure 3-6 The System.Console type in action ■ Source Code The BasicConsoleIO project is located under the Chapter subdirectory The System Data Types and VB 2005 Shorthand Notation ... to the system directory UserName Returns the name of the user that started this application ■ Source Code The FunWithMain project is located under the Chapter subdirectory The System.Console Class...

Ngày tải lên: 12/08/2014, 23:21

... Select each of them (via a Ctrl+left click) and click the OK button Visual Studio 2005 responds by copying each file into the current project Once you have done so, compile your current application ... exception classes end with the “Exception” suffix; in fact, this is a NET best practice) ' This custom exception describes the details of the car-is-dead condition Public Class CarIsDeadException ... place If this is the case, the caller’s catch logic can make use of the InnerException property to extract the details of the inner exception object The Finally Block A Try/Catch scope may also define...

Ngày tải lên: 12/08/2014, 23:21