c 3 0 language enhancements

... static MyConverter Cached; //My code: if ( Cached == null) { Cached = new MyConverter( Converter); } string s = Cached(5); © Copyright SELA Software & Education Labs Ltd 14-18 Baruch Hirsch ... { public void Click() { OnClicking(); //Do some work OnClicked(); } partial void OnClicking(); partial void OnClicked(); } //In Button.mycode.cs partial class Button { partial void OnClicking() ... it is compiled public sealed class Button_Partial { public void Click() { OnClicking(); Console.WriteLine("Button.Click work"); } private void OnClicking() { Console.WriteLine("Button.OnClicking");...

Ngày tải lên: 12/01/2013, 16:18

... 36 3 36 3 36 3 36 3 36 4 36 4 36 5 36 5 36 7 36 7 36 7 36 9 37 1 37 1 37 2 37 4 37 5 37 6 37 8 37 8 38 0 38 1 38 3 38 3 38 4 38 6 Contents Random Access Files ... Using checked and unchecked 33 7 33 7 33 8 33 8 33 8 34 0 34 1 34 3 34 4 34 5 34 6 34 7 34 8 34 9 35 1 35 2 35 4 35 8 36 0 14 Using I/O ... Specify the Underlying Type of an Enumeration Use Enumerations 31 1 31 1 31 2 31 6 31 8 32 0 32 2 32 3 32 3 32 6 32 6 32 6 33 0 33 2 33 3 33 4 33 4 xi...

Ngày tải lên: 06/08/2013, 17:29

... }; • 28 JUNI 200 6 | © CLASS-A Name of field/property must be specified 40 C# 3. 0: Collection initializers • Compact initialization of collections • Collection must implement ICollection List ... Func del2 = a0 => a0 % == 0; 28 JUNI 200 6 | © CLASS-A 38 Implementation of Where operator • Taken from S equence.cs source code under C: \Program Files\Linq Preview\Docs public static ... T1 • 28 JUNI 200 6 | © CLASS-A delegate TR Func(); delegate TR Func(T0 a0); delegate TR Func(T0 a1, T2 a2, T3 a3); R eturn type defined last 37 Func delegate types...

Ngày tải lên: 14/03/2014, 20:20

... Exercises 292 2 93 2 93 2 93 298 298 30 2 30 3 30 7 30 7 31 9 32 2 32 5 32 8 32 9 33 0 15 Strings 33 1 Creating Strings String Literals Escape Characters ... Strings The ToString( ) Method Manipulating Strings Comparing Strings Concatenating Strings Copying Strings 33 2 33 2 33 2 33 3 33 3 33 4 33 4 33 6 33 7 Table of Contents | xi www.it-ebooks.info Testing for ... Learning C# 3. 0 www.it-ebooks.info Other resources from O’Reilly Related titles oreilly.com C# 3. 0 Cookbook™ C# 3. 0 Design Patterns C# 3. 0 in a Nutshell Programming ASP.NET 3. 5 Programming C# 3. 0 Programming...

Ngày tải lên: 16/03/2014, 00:20

... not have the concept of a checked or unchecked context, so all conversions are considered to be in a checked context—an unchecked context cannot be created in VB.NET An OverflowException will ... public class TestAsOp where T: class { public T ConvertSomething(object obj) { return (obj as T); } } your code will compile successfully, since T cannot be a struct 100 | Chapter 3: Classes ... double quotes, precede the double quote character with the \ escape sequence character 112 | Chapter 3: Classes and Structures • The \ character is handled as an escape sequence character only when...

Ngày tải lên: 12/08/2014, 09:22

... the Stack object, the code is as follows: public static void CloneStack( ) { // Create a generic Stack object Stack numericStack = new Stack( ); // Populate Stack numericStack.Push(1); ... numericStack.Push(2); numericStack.Push (3) ; // Clone the numericStack object Stack clonedNumericStack = new Stack(numericStack); // This does a simple peek at the values, not a pop foreach ... static ReadOnlyCollection ToList(this StackTrace stackTrace) { if (stackTrace == null) { throw new ArgumentNullException("stackTrace"); } var frames = new StackFrame[stackTrace.FrameCount];...

Ngày tải lên: 12/08/2014, 09:22

... $ 20. 00 Quarterly Sales of $37 ,00 0 .00 : Chas made a commission of : $3, 700 .00 Ray made a commission of : $0. 00 Biff made a commission of : $39 .45 Quarterly Sales of $1 10, 000 .00 : Chas made a commission ... $12,275 .00 Ray made a commission of : $2,975 .00 Biff made a commission of : $124. 63 Annual Earnings were $ 232 ,00 0 .00 Paid Chas $22,875 .00 to produce $77 ,33 3 .33 FIRE Chas! Paid Ray $4, 600 .00 to produce ... Name="Chas", AnnualQuota= 100 000 m, CommissionRate =0. 10m }, new SalesWeasel { Name="Ray", AnnualQuota= 200 000 m, CommissionRate =0. 025m }, new SalesWeasel { Name="Biff", AnnualQuota= 500 00m, CommissionRate =0. 001 m...

Ngày tải lên: 12/08/2014, 09:22

... //http%3A%2F%2Fuser%3Apassword%40localhost%3A 808 0%2Fwww.abc //com%2Fhome%20page.htm //%3Fitem%3D1 233 %3Bhtml%3D%3Ch1%3EHeading% 3C% 2Fh1%3E%23stuff // //http://user:password@localhost: 808 0/www.abc.com/home //page.htm?item=1 233 ;html=Heading#stuff ... 14-1 Categories of HTTP response status codes Category Available range HttpStatusCode defined range Informational 100 –199 100 – 101 Successful 200 –299 200 – 206 Redirection 30 0 39 9 30 0 30 7 Client ... default is to bypass the cache in machine.config RequestCachePolicy rcpCheckCache = new RequestCachePolicy(RequestCacheLevel.CacheIfAvailable); request.CachePolicy = rcpCheckCache; HttpWebResponse...

Ngày tải lên: 12/08/2014, 09:22

... Console.WriteLine("Checking ports 1 - 30 on localhost "); CheapoPortScanner cps = new CheapoPortScanner("127 .0. 0.1",1 , 30 ); cps.OpenPortFound += new CheapoPortScanner.OpenPortFoundEventHandler(cps_OpenPortFound); ... and ClosedPorts properties (continued) SocketType.Stream, ProtocolType.Tcp); // Connect sock.Connect(_host, port); return true; } catch (SocketException se) { if (se.SocketErrorCode == SocketError.ConnectionRefused) ... VB.NET Numbers Strings and Characters Classes And Structures Enums Exception...

Ngày tải lên: 12/08/2014, 09:22

... in Example 3- 1 Composite Pattern | 53 Example 3- 1 Composite pattern—namespace code 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... arrays cf C# Language Specification Version 3. 0, September 200 7, Section 7.5. 10. 1 -3 70 | Chapter 3: Structural Patterns: Composite and Flyweight C# 3. 0 Feature—Anonymous Types Anonymous types are created ... C# Language Specification Version 3. 0, September 200 7, Section 7.5. 10. 4 C# 3. 0 Feature—Object and Collection Initializers Initializers specify values for fields or properties of objects or collections...

Ngày tải lên: 12/08/2014, 09:22

... theory code 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 using using using using System; System.Collections.Generic; System.Runtime.Serialization; ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 // Implementing new requests via old class Adapter : Adaptee { public Func ... anonymous function can wrap up the changes and assign a “complete solution” to the delegate for later invocation cf C# Language Specification Version 3. 0, September 200 7, Section 6.5 Creating a...

Ngày tải lên: 12/08/2014, 09:22

... operations 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 154 abstract public public public public public ... example code—RPC game (continued) 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 1 03 104 105 106 107 108 109 ... for 4 500 handled at level */ Start 100 0 200 0 30 00 400 0 500 0 Figure 8 -3 Chain of handlers We’ll start by exploring the implementation from the client’s point of view The client wants to call a...

Ngày tải lên: 12/08/2014, 09:22