ivor hortons beginning visual c 2010 ebook

... reference class types in Chapter 7 fea-Next, you’ll try a CLR console program Try It Out A Fruity CLR Console ProgramCreate a new project and select the project type as CLRand the template as CLR Console ... that calculates the price of a carpet to demonstrate output in a CLR console program:// Ex2_13.cpp : main project file // Calculating the price of a carpet #include “stdafx.h” using namespace System; ... double quotes to the command line The Lthat precedes thestring indicates that it is a wide-character string where each character occupies two bytes The Write()function in the Consoleclass is essentially

Ngày tải lên: 13/08/2014, 18:20

... Stringclass constructor A class constructor is a function that will create a class object when it is called You’ll learn more about constructors when you get into defining your own classes Tracking ... Systemnamespace represents a string in C++/CLI(in fact a string consists of Unicode characters To be more precise it represents a string consisting of a sequence of characters of type System::Char You ... indicatorswill contain ‘^’characters at the positions in sentencewhere such characters were found.The output is produced by the statements: Console::WriteLine(L”There are {0} punctuation characters

Ngày tải lên: 13/08/2014, 18:20

... // Declare cigar box The program produces this output: Default constructor called Default constructor called Default constructor called Default constructor called Default constructor called ... a constructor because you want to increment it every time the constructor is called so the count of the number of objects created is accu-Class Definitionclass CBox { public: static int objectCount; ... way, and of course there is — it’s known as the class constructor. What Is a Constructor? A class constructor is a special function in a class which is called when a new object of the class is ated

Ngày tải lên: 13/08/2014, 18:20

... produces the output shown as follows: CBox constructor calledCBox constructor calledCCandyBox constructor1 calledCBox constructor calledCCandyBox constructor2 calledmyBox occupies 24 bytesmyCandyBox ... list In the secondinstance, you are calling the constructor for CBox This causes the specific CBoxconstructor you havechosen to be called before the CCandyBoxconstructor is executed If you build ... the code shown here: Trang 9int numCandies = candyBox/candy;// Calculate candy boxes per cartonint numCboxes = carton/candyBox; // Calculate wasted carton spacedouble space = carton%candyBox; cout

Ngày tải lên: 13/08/2014, 18:20

... control Detected memory leaks! Dumping objects -> {143} normal block at 0x00355F08, 15 bytes long Data: < > CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD{142} normal block at 0x00355EC8, 15 ... errorsswitch isenabled.The TraceSwitchreference class has two constructors that have the same parameters as the BooleanSwitchclass constructors You can create a TraceSwitchobject like this: TraceSwitch^ ... the Name class #pragma once // Class defining a person’s nameclass Name {public: Name(); // Default constructorName(const char* pFirst, const char* pSecond); // Constructor char* getName(char*

Ngày tải lên: 13/08/2014, 18:20

... CSketcherDoc::OnUpdateElementCurve(CCmdUI* pCmdUI){ // Set Checked if the current element is a curvepCmdUI->SetCheck(m_Element==CURVE); }void CSketcherDoc::OnUpdateElementCircle(CCmdUI *pCmdUI){ // Set Checked if ... bluepCmdUI->SetCheck(m_Color==BLUE); }void CSketcherDoc::OnUpdateColorGreen(CCmdUI* pCmdUI){ // Set menu item Checked if the current color is greenpCmdUI->SetCheck(m_Color==GREEN); }void CSketcherDoc::OnUpdateColorRed(CCmdUI* ... the current element is a circlepCmdUI->SetCheck(m_Element==CIRCLE); }void CSketcherDoc::OnUpdateElementRectangle(CCmdUI* pCmdUI){ // Set Checked if the current element is a rectanglepCmdUI->SetCheck(m_Element==RECTANGLE);

Ngày tải lên: 13/08/2014, 18:20

... 32void CSketcherView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo){CScrollView::OnPrepareDC(pDC, pInfo); CSketcherDoc* pDoc = GetDocument(); pDC->SetMapMode(MM_ANISOTROPIC); // Set the map modeCSize ... initialization for m_PenWidthto the con-structor for CSketcherDoc, so modify the constructor in SketcherDoc.cppby adding the shaded line:CSketcherDoc::CSketcherDoc() Adding Pen Widths to the Elements ... CSketcherView::ResetScrollSizes(void) { CClientDC aDC(this); OnPrepareDC(&aDC); // Set up the device context CSize DocSize = GetDocument()->GetDocSize(); // Get the document size aDC.LPtoDP(&DocSize);

Ngày tải lên: 13/08/2014, 18:20

... thecode for the class definition as: #pragma onceclass COrderSet; // Declare the class nameclass CDBSampleDoc; // Declare the class name// COrderView form view class COrderView : public CRecordView{ ... of the class They appear in the block of code following the Field/Param Datacomment in theCProductSetclass definition: 938 Trang 4class CProductSet : public CRecordset{public: CProductSet(CDatabase* ... m_DBSampleSet,which is an object of the CProductSetclass type As a consequence, a recordsetobject is automatically created when the document object is created in the InitInstance()functionmember of the application

Ngày tải lên: 13/08/2014, 18:20

... has a Controlsproperty that returns areference to an object of type Control::ControlCollectionthat represents the collection of controls in the group box The Control::ControlCollectionclass defines ... the user clickedCancelin the message box, in which case you set the DialogResultproperty for the dialog object to::DialogResult::Cancel,which has the same effect as clicking the Cancelbutton ... object to behave as you want in the application, but youdon’t yet have a dialog object The application window object takes care of that Creating the Dialog ObjectThe Form1class constructor can create

Ngày tải lên: 13/08/2014, 18:20

... 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

... 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

... 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

... deployment and reduces the chances of version conflicts. www.it-ebooks.info ptg 72 HOUR 3: Understanding Classes and Objects the C# Way Watch Out! In fact, the compiler transforms the code shown in ... 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...

Ngày tải lên: 29/03/2014, 15:20