beginning visual c 2010

... project Click OK Create a new console application using Visual C# 2010 Express On the File menu, click New Project to open the New Project dialog box For the template, select Console Application ... Application Choose a name for the project Click OK Create a new graphical application using Visual Studio 2010 Standard Create a new graphical application using Visual C# 2010 Express ... when an instance of the class is created and can contain code to initialize the instance You will learn about constructors in Chapter 7 ) In fact, the application contains a lot more code, but most

Ngày tải lên: 05/07/2014, 16:20

... focus calcula-on how to solve them calcula-one piece at a time You also need to be able to write methods that selectively perform different actions depending on the circumstances In this chapter, ... Microsoft Visual Studio 2010 if it is not already running 2 Open the Selection project, located in the \Microsoft Press\Visual CSharp Step By Step \Chapter 4\Selection folder in your Documents ... menu, click Start Without Debugging Visual Studio 2010 builds and runs the application The form contains two DateTimePicker controls called first and second These controls display a calendar

Ngày tải lên: 05/07/2014, 16:20

... two references to the same object For example: Circle c = new Circle(42); Circle refc = c; Declare a variable that can hold a value type or the null value Declare the variable using the ? ... A structure is a value type A class is a reference type Do instances live on the stack or the heap? Structure instances are called values and live on the stack Class instances are called ... classes and structures concerning inheritance These differences are covered in Chapter 12 Declaring Structure Variables After you have defined a structure type, you can use it in exactly the same

Ngày tải lên: 05/07/2014, 16:20

... constructor (If you don’t provide one, the compiler generates a default constructor for you ) It is good practice for a constructor in a derived class to call the constructor for its base class ... that the compiler generates only a default structor if you don’t write any nondefault constructors), in which case forgetting to call the correct base class constructor results in a compile-time ... ” Trang 23Understanding protected AccessThe public and private access keywords create two extremes of accessibility: public fields and methods of a class are accessible to everyone, whereas

Ngày tải lên: 05/07/2014, 16:20

... own code to instantiate the shape object. (Remember that the Square class creates a Rectangle object and the Circle class creates an Ellipse object.) abstract class DrawingShape { public ... class, remove the definitions of the sideLength, rect, locX, and locY fields. 3. Replace the existing constructor with the following code, which calls the constructor in the base class. Notice ... { public void SetLocation(int xCoord, int yCoord) { this.locX = xCoord; this.locY = yCoord; } 274 Part II Understanding the C# Language public void SetColor(Color color) {

Ngày tải lên: 05/07/2014, 16:20

... files, including AmericanClock cs, EuropeanClock cs, JapaneseClock cs, and LocalClock cs These files contain the classes that implement the different clocks You don’t need to be concerned with ... localClock = new LocalClock(localTimeDisplay); londonClock = new EuropeanClock(londonTimeDisplay); newYorkClock = new AmericanClock(newYorkTimeDisplay); tokyoClock = new JapaneseClock(tokyoTimeDisplay); ... localClock = null; private EuropeanClock londonClock = null; private AmericanClock newYorkClock = null; private JapaneseClock tokyoClock = null; public ClockWindow() { InitializeComponent();

Ngày tải lên: 05/07/2014, 16:20

... y.GetHashCode(); You can create an ObjectComparer object and call the Compare method through the IComparer<Object> interface to compare two objects, like this: Object x = ; Object y = ... then click Set as Startup Project 3 On the Project menu, click Add Reference In the Add Reference dialog box, click the Projects tab Select the BinaryTree project, and then click OK ... IEnumerable<T> interface that you will meet in Chapter 19, “Enumerating Collections ” Trang 8Chapter 18 Introducing Generics 377Contravariant InterfacesContravariance is the corollary of covariance It enables

Ngày tải lên: 05/07/2014, 16:20

... di) ((( a * c + b * d) / ( c * c + d * d)) + ( b * c - a * d) / ( c * c + d * d))i) Create the Complex class, and implement the arithmetic operators 1 Start Microsoft Visual Studio 2010 if it ... implicit conversion operator to the Complex class This operator converts from an int to a Complex object by returning a new instance of the Complex class by using the constructor you created ... and (c + di) Operation Calculation (a + bi) + (c + di) ((a + c) + (b + d)i) (a + bi) – (c + di) ((a – c) + (b – d)i) (a + bi) * (c + di) (( a * c – b * d) + (b * c + a * d)i) (a + bi) / (c +

Ngày tải lên: 05/07/2014, 16:20

... list box, click some of the methods to select the corresponding check box If you click a method a second time, it clears the corresponding check box, just as you would expect 16 Click the ... right-click the Last Name text box On the shortcut menu, click the Clear Name command and again verify that both text boxes are cleared 9 Right-click any controls except the Member Since control ... as (Collection) A Menu control contains Trang 11a collection of MenuItem elements Currently, the menu has no menu items, so the collection is empty Click the ellipses button (…) adjacent

Ngày tải lên: 05/07/2014, 16:20

... dataConnection object to open a connection to the database If the connection is successful, you can use the dataConnection object to perform database commands and queries If the connection ... click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator If you are logged in using an account that has administrator rights, in the User Account ... use a SqlConnectionStringBuilder object The SqlConnectionStringBuilder class exposes properties for each of the elements of a con- nection string You can then read a complete connection string

Ngày tải lên: 05/07/2014, 16:20

... two users changing the same data is small (hence the term optimistic concurrency ) The opposite of optimistic concurrency is pessimistic concurrency In this scheme, all data is locked in the ... pessimistic concurrency Instead, it provides a middle ground Each item in an EntityObject class has a property called Concurrency Mode By default, the Concurrency Mode is set to None, but you can change ... have changed the data between the calls to Refresh and SaveChanges in the OptimisticConcurrencyException exception handler In a commercial application, you should be prepared to catch this exception

Ngày tải lên: 05/07/2014, 16:20

... { // Create the cancellation token source and obtain a cancellation token CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(); CancellationToken cancellationToken ... The Mechanics of Cooperative Cancellation Cooperative cancellation is based on the notion of a cancellation token A cancellation token is a structure that represents a request to cancel one ... is scalable across any number of tasks You can start multiple tasks and pass the same CancellationToken object to each of them If you call Cancel on the CancellationTokenSource object, each

Ngày tải lên: 05/07/2014, 16:20

... instantiate a BlockingCollection<T> object without specifying a collec-tion class In this case, the BlockingColleccollec-tion<T> object creates a ConcurrentQueue<T> object internally ... the CancellationTokenSource object For example: CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(); CancellationToken cancellationToken = cancellationTokenSource.Token; ... underlying collection to 1000 class MyCollection<T> : IProducerConsumerCollection<T> // Create an instance of MyCollection<T>, // and wrap it in a BlockingCollection<T> object

Ngày tải lên: 05/07/2014, 16:20

... Black.Hole method, 223 BlockingCollection<T> class, 669 BlockingCollection<T> objects, 670blocking mechanisms of synchronization primitives, 663–665 blocks of statements, 78–79braces ... class scope, defining, 54–55class types, copying, 151–156 clear_Click method, 471 clearName_Click method, 492 Click event handlers, 471–474 for menu items, 485–487 Click events, 25, 345 Clone ... to the dictionary in the CustomerDB object The code creates another Customer object for a customer called Sid, and adds this cus- tomer to the CustomerDB object as well Finally, the code displays

Ngày tải lên: 05/07/2014, 16:20

... 905 Hosting 906 WCF Programming 906 The WCF Test Client 914 Defining WCF Service Contracts 917 Data Contracts 918 Service Contracts 918 Operation Contracts 919 Message Contracts 920 Fault Contracts 920 Self-Hosted ... Services 637 A Hotel Travel Agency Application Scenario 638 A Book Distributor Application Scenario 638 Client Application Types 639 Application Architecture 639 Web Services Architecture 640 Calling ... 884 Summary 895 CHAPTER 26: WINDOWS COMMUNICATION FOUNDATION 899 What Is WCF? 900 WCF Concepts 901 WCF Communication Protocols 901 Addresses, Endpoints, and Bindings 902 Contracts 904 Message...

Ngày tải lên: 24/01/2014, 17:57

... 07020000002400005253413200040000010001002b4ef 3c2 bbd6478802b64d0dd3f2e 7c6 5ee 6478802b63cb894a782f3a1adbb46d3ee5ec5577e7dccc818937e964cbe99 7c1 207 6c1 9f2d7 ad179f15f7dccca 6c6 b72a Public key token is 2a1d3326445fc02a The public key ... System.Diagnostics; namespace Apress.VisualCSharpRecipes.Chapter01 { class Recipe01_06 { [Conditional("DEBUG")] public static void DumpState() { Visual C# 2010 Recipes: A ... to compile the HelloWorld.cs source file (from recipe 1-1) if the ConsoleUtils class is contained in the ConsoleUtils.dll library, use the command csc /reference:ConsoleUtils.dll HelloWorld.cs....

Ngày tải lên: 24/01/2014, 19:46

... 909 The MFC Collection Classes 909 Types of Collection 910 The Type-Safe Collection Classes 911 Collections of Objects 911 The Typed Pointer Collections 920 Using the CList Template Class 923 Drawing ... 605 Function Objects 605 Function Adapters 606 The Range of STL Containers 606 Sequence Containers 607 Creating Vector Containers 608 The Capacity and Size of a Vector Container 611 Accessing ... Template Class 923 Drawing a Curve 924 Defining the CCurve Class 925 Implementing the CCurve Class 927 Exercising the CCurve Class 929 Creating the Sketch Document 929 Using a CTypedPtrList Template...

Ngày tải lên: 19/03/2014, 14:09

... JIT compiler is highly optimized for compiling CIL code into highly efficient object code, runs on demand, and caches the compiled code for future use. Memory Management and Garbage Collection Proper ... illegal memory access. This ensures that an application can access only memory or other resources to which it has been explicitly granted access. This restricted environment can be thought ... using Microsoft .NET technolo- gies. Scott runs a software architecture-focused user group, speaks extensively (including at Microsoft TechEd and community-sponsored code camps), and contributes...

Ngày tải lên: 29/03/2014, 15:20

... Learn Microsoft Visual C# 2010 Note The content of the Properties window reects the object you select. The contents will change when you select a form instead of a speci c control. Each control ... least some code to create most applications. Of course, before you can create a C# application, you need some sort of tool to create it with. (Technically, you could write an application using ... user license agreement. If you accept the terms, select the accept option, and then click Next. Note If the license agreement doesn’t appear, you can access it from the same webpage from which...

Ngày tải lên: 31/03/2014, 16:44

... created a new console application called MyProject, which is saved in the C: \Users\Student\Documents \Visual Studio 2010\ MyProject\ folder. 1. Click Start, point to All Programs, click Microsoft ... Integrating Visual C# Code with Dynamic Languages and COM Components Lesson 1: Integrating Visual C# Code with Ruby and Python 15-4 Lesson 2: Accessing COM Components from Visual C# 15-19 Lab: ... press ENTER. csc.exe /t:exe /out:" ;C: \Users\Student\Documents \Visual Studio 2010\ MyProject\myApplication.exe" " ;C: \Users\Student\Documents \Visual Studio 2010\ MyProject\*.cs" 3....

Ngày tải lên: 24/01/2014, 19:37