programming c sharp balaguruswamy pdf free download

... Controls.Add(textBox); Control checkBox = factory.CreateCheckBox(); checkBox.Location = new Point (10, 50); Controls.Add(checkBox); Trang 37We can now create concrete types for this Interface Code Listing ... textBox.Location = new Point (10, 10); container.Controls.Add(textBox); Control checkBox = factory.CreateCheckBox(); checkBox.Location = new Point (10, 50); container.Controls.Add(checkBox); ... Abstract Factory What if there are no closely related objects, like TextBox, CheckBox, Button, etc.? Having an Abstract Factory to create a single object (which may contain other objects, of course),

Ngày tải lên: 05/12/2016, 12:48

... the city to lead Europe in the introduction of horse-drawn tramcars running much more quickly on steel tracks By the end of the 19th century, electrification of trams provided increasingly efficient ... through its prefect of the Seine Department.4 As a result, change in Paris could come about rapidly, since the financial resources of the national government could be brought to the process, and the ... the 19th century because of the probability of military assault Thus, Paris traditionally had been confined by fortifications against attackers and by barriers erected to enforce the collection

Ngày tải lên: 25/01/2022, 19:10

... takes the program code (source code) and converts the source code to a machine language module (called an object file) Another specialized program, called a linker, combines this object file with ... efficiency at each stage As computing power increases, it places a higher demand on software and developers Companies must reduce costs, deliver software faster, and meet or exceed their customers’ ... Development Life Cycle helps achieve these goals by identifying inefficiencies and higher costs and fixing them to run smoothly Trang 93.4 Explain how the source code is compiled:- A compiler takes

Ngày tải lên: 28/02/2023, 21:52

... ExcludeClip to clip regions // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles Rectangle rect1 = new Rectangle(20, 20, 60, 80); Rectangle ... SetClip, ResetClip, and IntersectClip methods // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles and regions Rectangle rect1 = new Rectangle(20, ... the context menu click event handlers Listing 6.17 Menu item click event handlers private void CircleMenu_Click(object sender, // Create a Shape object and call // the GetRectRegion method

Ngày tải lên: 12/08/2014, 19:20

... 11.11 PaperSourceKind members Member Description AutomaticFeed Automatically fed paper Cassette A paper cassette Custom A printer-specific paper source Envelope... PrintDocument object handles printing ... PrintGraphicsItems_Click method is a menu click event handler that creates a PrintDocument object, sets its PrintPage event, and calls the Print method. The second method, PrintGraphicsItemsHandler, ... ViewImage_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Call OpenFileDialog, which allows us to browse // images OpenFileDialog

Ngày tải lên: 12/08/2014, 19:20

... FaultHandlerActivity 89 The TransactionScopeActivity 90 The CompensatableSequenceActivity 91 Trang 10Table of ContentsThe CompensatableTransactionScopeActivity 91The CompensateActivity 92 The ConditionedActivityGroup ... dedicated to workflow communications The chapter explains how to use correlated local services for communication with a host process, and web service activities for communication across a network ... simplify a problem space For instance, a SendOrderToKitchen custom activity could encapsulate a web service call and other processing logic inside This activity is obviously specific to the restaurant

Ngày tải lên: 20/03/2019, 14:16

... more catch blocks These blocks contain the exception handling logic Each catch block contains an exception object declaration, similar to the way a method argument is declared, in this case, ... 13 Chapter 4 ' Visual Basic NET Public Sub UsingVisualBasicTypeAlias()... corrected code compiles as expected because it uses the correct case: Console.WriteLine("Hello"); live version · discussion ... System.Exception... parametric polymorphism via generics Several types of C# classes can be defined, including instance classes (standard classes that can be instantiated), static classes, and structures

Ngày tải lên: 31/03/2014, 16:41

... executed)
when
that
event
occurs.
 
As
you
can
see,
when
we
Click
the
button,
the
button1_Click
function
is
executed.
That
function
has
been
 automatically
written
for
you
when
you
double‐click
the
button.
Of
course,
the
same
function
can
be
 ... open
the
form
named
“Form1.cs”
(“.cs”
is
from
C
Sharp).
In
case
you
did
not
know,
in
C#
the
code
is
 usually
put
between
curly
braces
just
like
in
Java
and
C++.
 we
click
the
button.
Inside
it,
we
will
write
the
code
that
will
add
the
two
values
from
the
text
boxes.
 ... On
the
right
you
have
your
“Solution
Explorer”.
When
you
create
a
new
project,
you
automatically
create
a
 new
solution.
A
solution
is
a
collection
of
multiple
projects,
let’s
say
we
make
an
application
called
 “Calculator”
(cause
this
is
what
we
actually
do),
and
“Calculator”
is
an
application
project
inside
the


Ngày tải lên: 28/04/2014, 15:33

... of the class containing the static constructor is created. ➤ A static member of the class containing the static constructor is accessed. the class is instantiated or static members accessed ... static member nao đ ̣ ́ ̀ ̀ ượ c tham chiêu ́  Môi class chi co thê co 1 constructor static ̃ ̉ ́ ̉ ́  Constructor static không ch a access modifier va ứ ̀ bât ky tham sô nao ́ ̀ ́ ̀  Constructor ... public Car(string pn) { petName = pn; } // Let caller set the full 'state' of the Car. public Car(string pn, int cs) Trang 21Th t th c thi cac constructor ứ ự ự ́Th t th c thi cac constructor

Ngày tải lên: 21/06/2014, 09:20

... Csla.Core.IUndoableObject Cascading the Call to Child Objects or Collections If the field is a reference to a Csla.Core.IUndoableObject, the CopyState() call must be cascaded to that object, so that it can take ... editable collection base classes Csla.Core.IReadOnlyObject Interface implemented by all read-only base classes Csla.Core.IReadOnlyCollection Interface implemented by all read-only collection base classes ... classes Csla.Core.ICommandObject Interface implemented by CommandBase Csla.Core.ObjectCloner... this may be a regular field or it may be a reference to a child object that implements Csla.Core.IUndoableObject

Ngày tải lên: 06/07/2014, 00:20

... sequence of events described here occur—just much faster than ifnetwork communication were involved An exception could occur while calling the server The most likely cause of such an exception ... (T)Create(typeof(T), criteria); } public static T Create<T>() { return (T)Create(typeof(T), null); } public static object Create(object criteria) { return Create(MethodCaller.GetObjectType(criteria), ... public DataPortalResult Create( Type objectType, object criteria, DataPortalContext context) { return _portal.Create(objectType, criteria, context); } Trang 22public DataPortalResult Fetch(object

Ngày tải lên: 06/07/2014, 00:20

... esour ces to projects. Since this process is common across several other processes, we can centralize it into a use case that’s referenced from the others. CHAPTER 6 ■ OBJECT-ORIENTED APPLICATION ... objects, allowing you to start creating a basic class diagram or organizing the classes using CRC cards. Table 6-2 lists the high-level CRC data for each potential object. CHAPTER 6 ■ OBJECT-ORIENTED ... with a Resource instead of a Project. CHAPTER 6 ■ OBJECT-ORIENTED APPLICATION DESIGN 331 Figure 6-3. The ProjectResources collection and the ProjectResource child object 6323_c06_final.qxd 2/26/06

Ngày tải lên: 06/07/2014, 00:20

... ExistsCommand class, 456–457 main areas of each class, 405 Project class, 408–429 ProjectList class, 446 ProjectResource class , 434–439 ProjectResources class, 429–434 ProjectTracker application classes, ... DataPortalContext class, 167 ClientContext property ApplicationContext class, 230 ClientCulture DataPortalContext class, 167 ClientUICulture DataPortalContext class, 167 Clone method BusinessBase class, ... physical architecture description, 2 layers and logical architecture, 2 logical and physical architectures, 1–17 physical model, 4–8 performance, 5 scalability, 5 physical n-tier architecture

Ngày tải lên: 06/07/2014, 00:20

... objects you will need to define classes that describe these objects You can use available classes and functions to do so In addi-tion, you can make use of inheritance to create specialized classes ... U N C T I O N SOn call “push” On return “pop” Stack further local objects return address first parameter last parameter • • • • • • Calling function and called function Stack content after calling ... the C++ standard library In addition, you can use other libraries for special purposes Often a compiler package will offer commercial class libraries or graphical user interfaces Thus, a C++

Ngày tải lên: 06/07/2014, 17:21

... local copy Thus, only a local copy of the string is changed in the function, but the string in the calling function remains unchanged Exercise 2 // -// circle.cpp // Defines and calls the function ... variable occupies the same amount of space, independent of the type of object it references That is, it occupies as much space as is necessary to store an address On a 32-bit computer, such as a PC, ... two and circumference of the circle Exercise 3 producing any error messages However, the function will not swap the references instead of pointers Exercise 4 equations.The formula for calculating

Ngày tải lên: 06/07/2014, 17:21

... the public members of that class An applica-tion program accesses objects by using the public methods of the class and thus activat-ing its capacities Access to object data is rarely direct, that ... class Account // -#ifndef _ACCOUNT_ // Avoid multiple inclusions #define _ACCOUNT_ #include <iostream> #include <string> using namespace std; class Account { string name; // Account ... so-called public interface of the class. The opposite page shows a schematic definition of a class The privatesection gen-erally contains data members and the publicsection contains the access

Ngày tải lên: 06/07/2014, 17:21

... defines an object current of type Account: Example: Account current; // or: class Account Memory is now allocated for the data members of the current object. The current object itself contains the ... Account. // #include "Account.h" // Includes <iostream>, <string> bool getAccount( Account *pAccount); // Prototype int main() { Account current1, current2, *ptr = &current1; ... Uses objects of class Account. // #include "Account.h" int main() { Account current1, current2; current1.init("Cheers, Mary", 1234567, -1200.99); current1.display(); // current1.balance

Ngày tải lên: 06/07/2014, 17:21

... “friendly” class automatically become friendfunctions in the class containing the frienddeclaration This technique is useful if a class is used in such close conjunction with another class that ... global function globFunc() and the method elFunc() of class B are declared as friendfunctions of class A This allows them direct access to the private members of class A Since these functions are ... dramatically improve the function’s response 䊐 Declaring Friend Functions A class can grant any function a special permit for direct access to its private members This is achieved by declaring

Ngày tải lên: 06/07/2014, 17:21

... capacities of class Car Properties and capacities of class Car Properties and capacities of class Car Additional properties and capacities of class PassCar Additional properties and capacities ... objects are constructed and destroyed, and ■ how access control to base classes can be realized. chapter 23 500 ■ CHAPTER 23 INHERITANCE ■ CONCEPT OF INHERITANCE Is relation Car Properties and capacities ... of class Truck PassCar Truck CONCEPT OF INHERITANCE ■ 501 ᮀ Base Classes and Derived Classes Inheritance allows new classes to be constructed on the basis of existing classes. The new derived class

Ngày tải lên: 06/07/2014, 17:21