... Writing Windows C# Programs 47
Objects in C# 47
Managed Languages and Garbage Collection 48
Classes and Namespaces in C# 48
Building a C# Application 49
The Simplest Window Program in C# ... system. Characters and strings in C# are always 16 bits
wide: to allow for representation of characters in non-Latin languages. It
uses a character coding system called Unicode, in which thousands ...
classes. Thus, the second major precept suggested by DesignPatterns is
Favor object composition over inheritance.
C# DesignPatterns
Each of the 23 patternsinDesignPatterns is discussed, at least...
... system. Characters and strings in C# are always 16 bits
wide: to allow for representation of characters in non-Latin languages. It
uses a character coding system called Unicode, in which thousands ... continue to the end of the current line. C# also recognizes C-
style comments which begin with /* and continue through any number of
lines until the */ symbols are found.
/ /C# single-line comment ... C# comment style*/
/* also can go on
for any number of lines*/
You can’t nest C# comments; once a comment begins in one style it
continues until that style concludes.
Your initial reaction...
... space characters (non printing
characters that cause the printing position to change) can be represented
by preceding special characters with a backslash, as shown in Table 2-2.
Since the backslash ...
more about objects in the following chapters
Character Constants
You can represent individual characters by enclosing them in single
quotes:
char c = ‘q’;
C# follows the C convention that ... flexibility in
deciding which objects need to be created for a given case.
• Structural patterns help you compose groups of objects into larger
structures, such as complex user interfaces or accounting...
... WINDOWS PrintController prtc prtcName
53W WINDOWS PrintDocument prtd prtdName
54W WINDOWS PrinterSettings prts prtsName
55W WINDOWS Process pcs pcsName
56W WINDOWS Rectangle rec recName
57W WINDOWS ... application, and data architectures.
Chapter 6: Design Structure
In this chapter we start to apply the concepts that were discussed in the design policy by using
structural design. Architectures are mapped ... domain: a car manufacturing
plant that makes Model T cars.
Chapter 1: Code Policy
This chapter notes that successful code is written through code management and not by
chance. It introduces code...
... Color clr clrName
8W WINDOWS ColorPalette clrp clrpName
9W WINDOWS ComboBox cb cbName
10W WINDOWS ContextMenu ctm ctmName
11W WINDOWS CrystalReportViewer crv crvName
12W WINDOWS Cursor csr csrName
13W ... penName
49W WINDOWS PeformanceCounter pfmc pfmcName
50W WINDOWS PictureBox picb picbName
51W WINDOWS Point pnt pntName
52W WINDOWS PrintController prtc prtcName
53W WINDOWS PrintDocument prtd ... enterprise code, it is not always practical or
politically acceptable to incur the upfront overhead costs of developing generic code and then
specializing it in a domain application.
What
Developing code...
... only for demonstrating the process of allocating,
deallocating, and using a block in C. The malloc line allocates a block of memory
of the size specified in this case, sizeof(int) bytes (4 bytes). ...
struct rec
{
int i;
float f;
char c;
};
int main()
{
struct rec *p;
p=(struct rec *) malloc (sizeof(struct rec));
(*p).i=10;
{
top=NULL;
}
void stack_clear()
/* Clears ... struct stack_rec *next;
};
struct stack_rec *top=NULL;
void stack_init()
/* Initializes this library.
Call before calling anything else. */
1. The block of memory pointed to by the pointer...
... instance of TcpListener listens for TCP connection requests
and creates a new socket (in the form of a TcpClient or Socket instance) to handle each
incoming connection.
2.3.1 TCP Client
A TCP client ... access to a
NetworkStream to abstract the sending and receiving of data.
Constructors
public TcpClient();
public TcpClient(IPEndPoint localEP);
public TcpClient(string hostname, int port);
Creates ... the TCP echo client with a graphical interface.
TcpClient Summary
Description
TcpClient provides simple methods for connecting to, sending, and receiving data
over a TCP connection. The TcpClient...
... with excellent preparation for working with WCF in the future. This chapter
contains the following:
• Overview of WCF architecture, including the Indigo service layer, the WCF
connector, hosting ... specifications and to
aggregate them and record them in the WSDL document.
Introducing the WS- Specifications
We introduce you to the WS- specifications again in Chapter 5, and then cover them in ... Hell, in which successive installations and removals of upgraded compo-
nents cause incorrect type information to be retained in the registry. Technically, this is a
versioning problem. But in more...
... illustrates an architecture in which two separate Web services
access the same back-end business components. Each Web service provides
a distinct service interface, each of which is suitable for ... taking, because typically we place all processing code
directly in the code-behind file of the .asmx Web service. But in a service-oriented
architecture, it is important to design the Web service ... to
Indigo very smoothly.
The summary of the chapters is as follows:
Chapter 1, “Introducing Service-Oriented Architecture”: This chapter
introduces the concepts behind service-oriented architecture,...
...
when the object is accessed.
c) A static constructor can have
public as a accessibility
modifiers
74. class A
{
public static int X = B.Y + 1;
}
class B
{
public static int Y = A.X ... explicitly or implicitly.
b) Static constructors can have
accessibility modifiers.
e) Static constructors are called
when the class is loaded.
c) Static constructors cannot
be called ...
error.
c) Incompatible type for ’=’
can’t convert SubClass to
SuperClass.
b) No constructor matching
SuperClass() found in class
SuperClass
d) Wrong number of arguments
in constructor....