... 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
Microsoft Visual C# 2010 Step by Step (P5) potx
... 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
Microsoft Visual C# 2010 Step by Step (P6) potx
... 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
Microsoft Visual C# 2010 Step by Step (P7) ppt
... 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
Microsoft Visual C# 2010 Step by Step (P8) doc
... stops the clocks by using delegates Complete the World Clock application 1 Start Microsoft Visual Studio 2010 if it is not already running 2 Open the Clock project located in the \Microsoft ... interface by using explicit interface implementation in a class or structure In the class or structure that implements the interface, specify the interface, but do not specify the indexer accessibility. ... 320 Part III Creating Components Note You can declare an indexer that contains only a get accessor (a read-only indexer) or only a set accessor (a write-only accessor). Comparing Indexers
Ngày tải lên: 05/07/2014, 16:20
Microsoft Visual C# 2010 Step by Step (P9) doc
... 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
Microsoft Visual C# 2010 Step by Step (P10) pptx
... calculations are a little more complicated. [...]... already expanded) expand Visual C#, and then click Windows 2.3 In the middle pane, click the WPF Application icon Chapter 22 Introducing ... operator returns a new Complex object containing the results of this calculation. class Complex { public static Complex operator +(Complex lhs, Complex rhs) { return new Complex(lhs.Real + ... 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
Ngày tải lên: 05/07/2014, 16:20
Microsoft Visual C# 2010 Step by Step (P11) docx
... 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
Microsoft Visual C# 2010 Step by Step (P12) pot
... 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
Microsoft Visual C# 2010 Step by Step (P13) doc
... 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
Microsoft Visual C# 2010 Step by Step (P14) pptx
... { // 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
Microsoft Visual C# 2010 Step by Step (P15) pptx
... 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
Microsoft Visual C# 2010 Step by Step (P16 - the end) docx
... 476 IsChecked property, 473 checked expressions, 119–120 checked keyword, 126, checked statements, 118 Choose Data Source dialog box, 569–570 Circle class, 130–131 NumCircles field, 143–144 C# ... WS-Addressing specification, 687 WSDL (Web Services Description Language), 686 See also SOAP (Simple Object Access Protocol) WS-Policy specification, 687 WS-Security specification, 686 WS-* specifications, ... instance of a Python script, which does include these functions. The code calls the GetNewCustomer Python function to create a new Customer object with the details for Fred. It then calls GetCustomerDB
Ngày tải lên: 05/07/2014, 16:20
Tài liệu LINQ for Visual C# 2008 pdf
... Specify the connection to the DB SqlConnection c = new SqlConnection(…); // Open the connection c. Open(); // Specify the SQL Command SqlCommand cmd = new SqlCommand(@" SELECT ... public static string SpaceToUnderscore(this string source) { char[] cArray = source.ToCharArray(); string result = null; foreach (char c in cArray) { if (Char.IsWhiteSpace (c) ) ... Update record using another Command object … // Close the connection c. Close(); Not only is this a lot more code than the ORM code, but there’s also no way for the C# compiler to check our...
Ngày tải lên: 10/12/2013, 23:15
beginning visual c#
... 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
visual c# 2010 recipes (apress)
... 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
Tài liệu Pro WPF in C# 2010 pdf
... ■Chapter 10: Resources 293 Resource Basics 293 The Resources Collection 294 The Hierarchy of Resources 295 Static and Dynamic Resources 297 Nonshared Resources 299 Accessing Resources ... these classes (and their relatives) in more detail. DispatcherObject DependencyObject Visual UIElement FrameworkElement Abstract Class Concrete Class Legend Shape Control Panel ContentControl ItemsControl ... You’ll learn to create complex paths that incorporate arcs and curves and how to use complex graphics efficiently. Chapter 14: Effects and Visuals describes lower-level graphics programming....
Ngày tải lên: 13/02/2014, 20:20
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