programming in c sharp for beginners pdf

... infinity. Listing 6.12 uses the SetClip, ResetClip, and IntersectClip methods. Listing 6.12 Using the SetClip, ResetClip, and IntersectClip methods // Create a Graphics object Graphics g = this.CreateGraphics(); ... area. The Graphics class provides the SetClip, ResetClip, IntersectClip, ExcludeClip, and TranslateClip methods to use in clipping operations. ExcludeClip excludes the area specified by an argument ... new Region(rect1); Region rgn2 = new Region(rect2); // Call SetClip g.SetClip(rgn1, CombineMode.Exclude); // Call IntersectClip g.IntersectClip(rgn2); // Fill rectangle g.FillRectangle(Brushes.Red,

Ngày tải lên: 12/08/2014, 19:20

... far in this chapter we've created a PrintDocument object, created a PrintPage event handler, and called thePrint method of PrintDocument.PrintDocument took care of everything internally for us ... PaperSourceCombo.DisplayMember="SourceName"; // Add all paper sources to the combo box foreach(PaperSource source in settings.PaperSources) { PaperSourceCombo.Items.Add(source.ToString()); // You can ... This document... settings.DefaultPageSettings; // Color printing? if (ColorPrintingBox.Checked ) pgSettings.Color = true; else pgSettings.Color = false; // Landscape or portrait? if(landscapeButton.Checked

Ngày tải lên: 12/08/2014, 19:20

... methods in this “friendly” class automatically become friend functions in the class containing the friend declaration. This technique is useful if a class is used in such close conjunction with ... declaration, which eliminates data encapsulation in certain cases. Imagine you need to write a global function that accesses the elements of a numerical array class. If you need to call the access ... dramatically improve the function’s response. ᮀ 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

... shows a schematic definition of a derived class, C. The C class inherits the B class, which is defined in the public section following the colon. The private and public sections contain additional ... 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 ... 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

Ngày tải lên: 06/07/2014, 17:21

... datalen) close(connfd) connect(fd, ., .) write(fd, data, datalen) read(fd, buffer, buflen) close(fd) int fd = socket( .) Socket fd Socket fd connfd ? TCP/IP Connection 8 TCP/IP Connection fd = socket(…); ... SOCK_STREAM for TCP SOCK_DGRAM for UDP 0 (not used for Internet sockets) Create an unbound socket, not connected to network; can be used as either a client or a server #include <sys/types.h> #include ... Creating a socket #include <sys/socket.h> int fd; . fd = socket(family, type, protocol); if (fd == -1) { // Error: unable to create socket . } . AF_INET for IPv4 AF_INET6 for IPv6 SOCK_STREAM

Ngày tải lên: 05/09/2013, 09:57

... connection, the callback routine is called and you can accept the connection by calling EndAccept. The EndAccept returns a socket object which represents the incoming connection. Here is the code ... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) ... we can pass a class object that contains as much information as we want. For example we can declare a class as follows: public class CSocketPacket { public System.Net.Sockets.Socket thisSocket;

Ngày tải lên: 18/01/2014, 08:20

... to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate object code which is ... bookboon.com 11 Object Oriented Programming using C# An Introduction to Object Orientated Programming 1 An Introduction to Object Orientated Programming Introduction his chapter ... bookboon.com 22 Object Oriented Programming using C# An Introduction to Object Orientated Programming Activity 11 Considering the most general category of object that can be borrowed

Ngày tải lên: 21/02/2014, 06:20

... feel confident using two colors... interesting color combinations 7 CANDLE MAKING PROJECTS - VOTIVE CANDLES These are good “starter” candles You will need: Candle Wax for Votive candles ... dipped in very hot water which will melt the wax 6 CANDLE MAKING PROJECTS - TWO COLORED PILLAR CANDLE First off, we will give instructions for making a basic shaped candle in a round ... Fragrance Oil (Optional) Candle Dye Wicks and/or Wick...5 CANDLE MAKING SAFETY READ THESE SAFETY INSTRUCTIONS BEFORE YOU START CANDLE MAKING For your own safety, the safety of children

Ngày tải lên: 11/03/2014, 13:20

... Socket Programming in C/ C++ sockets TCP UDP Socket characteristics (cont’d) Each socket type has one or more protocols. Ex:  TCP/IP (virtual circuits)  UDP (datagram) Use of sockets:  Connection–based ... sockets bind listen accept close send/recv shutdown close socket connect send/recv shutdown close server client socket c Mani Radhakrishnan and Jon Solworth Socket Programming in C/ C++ sockets TCP UDP socket ... back to the accept to wait for another connection request c Mani Radhakrishnan and Jon Solworth Socket Programming in C/ C++ sockets TCP UDP... Socket Programming in C/ C++ sockets

Ngày tải lên: 15/03/2014, 17:20

... ecosystem connectivity that is covered in this book refers to ecological interactions among ecosystems The term ecological connectivity is used here as the book is focused on interactions ... among Tropical Coastal Ecosystems, DOI 10.1007/978-90-481-2406-0 1, C Springer Science+Business Media B.V 2009 1 2 I Nagelkerken they occur together considerable interactions may occur (Ogden ... ecological linkages among tropical coastal ecosystems Chapter 4 starts with examining how reefs are connected through spawning migrations of fish and decapods, and the effects... reef ecosystems

Ngày tải lên: 15/03/2014, 19:20

... contain much code: using using using using using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; ... touch screen works in a different way. An array of conductors underneath the screen surface detects the change in capacitance caused by the presence of a finger on the surface. The touch screen ... measure in a computer is the clock speed. A CPU has a clock that ticks when it is running. At each clock tick the processor will do one part of an operation, perhaps fetch an instruction from

Ngày tải lên: 17/03/2014, 13:20

... #include #include #include #include #include #include 11 ... demo */ #include #include #include #include #include #include #include #include int main(int argc, char *argv[]) { struct ... inet_aton(const char *cp, struct in_ addr *inp); And here’s a sample usage, while packing a struct sockaddr _in (this example... #include #include #include #include #include #include #include #include ... Internet address (a structure for historical reasons) [...]... demo */ #include #include #include #include #include #include #include #include #include #include #define MYPORT 4950 // the

Ngày tải lên: 19/03/2014, 13:41

... Server 156 7.3 Creating a Transmission Control Protocol (TCP) Connection 157 Reading a Web Page 157 7.4 Connecting to a Data Source 163 Using the WebClient class 163 7.5 Using LINQ to Read from ... Application Switching 210 The Windows Phone Application LifeCycle 211 Fast Application Switching in an application 213 Fast Application Switching and Development 218 Fast Application Switching and ... the clock speed. A CPU has a clock that ticks when it is running. At each clock tick the processor will do one part of an operation, perhaps fetch an instruction from memory, perform a calculation

Ngày tải lên: 23/03/2014, 22:21

... Painting 101 4 Chapter 2 – Understanding Paints 8 Chapter 3 – Choosing Your Brushes 10 Chapter 4 – Color Your World 11 Chapter 5 – Light Sources in Painting 13 Chapter 6 – What type of painter ... colored substance created by natural elements and synthetic ones which are mixed with certain binders to create paints. Primary colors – A color which can not be created by mixing other colors. ... artist to continue with the painting for days after the original sitting. The acrylics are not so forgiving. These paints can dry within hours. If you think you can make a mistake and go back later

Ngày tải lên: 31/03/2014, 14:20

... 68 ■ CHAPTER 4 INPUT AND OUTPUT WITH STREAMS // Enters a character and outputs its // octal, decimal, and hexadecimal code. #include <iostream> // Declaration of cin, cout #include <iomanip> ... <iostream> // Declarations of cin, cout and using namespace std; // manipulators oct, hex, int main() { int number; cout << "Please enter an integer: "; cin >> number; cout << ... decimal point character shown in floating-point output. The number of digits after the decimal point corresponds to the used precision. Output in fixed point notation Output in scientific notation Sets...

Ngày tải lên: 06/07/2014, 17:21

... settings for program com- pilation. DEFINING FUNCTIONS ■ 175 The following section describes how to program global functions. Chapter 13, Defining Classes, describes the steps for defining member ... left curved bracket indicates the start of a function block, which contains the state- ments defining what the function does. ᮀ Prototype and Definition In a function definition the function ... of inheritance to create specialized classes without needing to change any existing classes. When implementing a class you must define the capacities of those objects, that is, the member functions,...

Ngày tải lên: 06/07/2014, 17:21

... manipulates a 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 ... Defines and calls the function circle(). // #include <iostream> #include <iomanip> #include <string> using namespace std; // Prototype of circle(): void circle( const double& ... function strToUpper() is declared as a string& instead of a string? Exercise 2 Write a void type function called circle()to calculate the circumference and area of a circle.The radius and two...

Ngày tải lên: 06/07/2014, 17:21

... here public: // Public data members and methods here }; // account.h // Defining the class Account. // #ifndef _ACCOUNT_ // Avoid multiple inclusions. #define _ACCOUNT_ #include <iostream> #include ... external access, and 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 ... divided into: ■ private members, which cannot be accessed externally ■ public members, which are available for external access. The public members form the so-called public interface of the class. The...

Ngày tải lên: 06/07/2014, 17:21