Programming C# 4.0 phần 4 pdf

Ngày tải lên: 02/11/2012, 14:18

... look at a trivial illustration, shown in Example 3- 42, to explore how it works, before we think about why we might want to use it. Example 3- 42. Static state public class MyClassWithAStaticProperty { ... the data portion of our Plane by adding a property for its position, shown in Example 3- 32. Example 3- 32. Using our custom value type for a property public PolarPoint3D Position { get;...

Ngày tải lên: 06/08/2014, 09:20

... 'millennium' (Document 2) Document traduit. (Document 3) Spellchecked document. (Document 3) Repaginated document. (Document 3) (Document 3) Executed 9 processes. OK, our production team is very ... lambda.) In C#, a lambda is really just a concise way to write an anonymous method. We’re just writing normal code, so we can include operations that have side effects. So, alth...

Ngày tải lên: 06/08/2014, 09:20

... bigFiles) { Console.WriteLine(file); } As long as the C# file has a using System.Linq; directive at the top (and Visual Studio adds this to new C# files by default) this code will work just fine. ... other C# code—it is, by design, somewhat reminiscent of database queries. But it turns out that all that syntax turns into straightforward method calls. Query Expressions Versus Method Cal...

Ngày tải lên: 06/08/2014, 09:20

... Example 10- 15 asks for four digits after the decimal point. Example 10- 15. Fixed-point format double amount = 152 .683 854 85; string text = amount.ToString("F4"); This produces: 152 .6839 The ... in: 13:14 13:14 13:14: 15 13:14: 15 Or, as Example 10- 35 shows, you can combine the two. Example 10- 35. Getting both the time and date DateTime time = new DateTime(2001, 12, 24,...

Ngày tải lên: 06/08/2014, 09:20

... version="1" Key="002400000480000094000000 060 2000000240000525341310004000001000100A5FE84898F 190EA6423A7D7FFB1AE778141753A6F8F8235CBC63A9C5D04143C7E0A2BE1FC61FA6EBB52E7FA9B 48D22BAF4027 763 A12046DB4A94FA3504835ED9F29CD03 160 0D5115939 066 AABE59A4E61E932AEF 0C24178B54 967 DD3 364 3FDE04AE507 860 76C1FB32F64915E8200729301EB912702A8FDD40F63DD5 A2DE218C7" Name="Console...

Ngày tải lên: 06/08/2014, 09:20

... When it’s pressed in, the ChatService service reference can be expanded, as Figure 13 -7 shows. Figure 13 -7. Generated files in a service reference The most interesting file in here is Reference.cs, ... user’s name, so we can support notes from people who may not be called Ian (see Example 13 -7) . Example 13 -7. Client with input loop static void Main(string[] args) { ChatServiceClient c...

Ngày tải lên: 06/08/2014, 09:20

... The Airbus A 380 aircraft has FAA and EASA approval to carry 85 3 passengers, which suggests that even with our uncommonly decisive passengers, that’s still a total of more than 28 hours of decision ... 14-23. Client-side WCF Data Services code var ctx = new AdventureWorksLT2008Entities( new Uri("http://localhost:1 181 /MyData.svc")); var customers = from customer in ctx.Custome...

Ngày tải lên: 06/08/2014, 09:20

... But Silverlight 4 supports C# 4.0, and all script objects can now be used through the dynamic keyword, as Example 18 -9 shows. Example 18 -9. Accessing JavaScript in C# 4.0 dynamic window = HtmlPage.Window; window.showMessage("Hello, ... wordApp.Documents.Open("WordFile .docx& quot;, ReadOnly:true); in C# 3.0 you would have been forced to write the considerably less attrac...

Ngày tải lên: 06/08/2014, 09:20

... 21-1. Adding HTML content <%@ Page Language=" ;C#& quot; AutoEventWireup="true" CodeFile="HelloWeb.aspx.cs" Inherits="ProgrammingCSharpWeb.HelloWeb" %> <!DOCTYPE ... ImageBrush <Path StrokeThickness="3" Stroke="Black" Data="M50,0 L100,50 C125,74 75,125 50 ,100 L0,50 z" > <Path.Fill> <ImageBrush ImageS...

Ngày tải lên: 06/08/2014, 09:20

... and instead will just act as the base for a derived class. This kind of class is known as an ab- stract class. An abstract class is useful when a program designer wants to ensure that certain functionality ... 6-5. Chapter 6 132 NOTE Keep in mind that although a class can inherit characteristics from a chain of parents, the parents’ constructors are not called automatically when you...

Ngày tải lên: 09/08/2014, 12:22

... ("s4: {0}\ns5: {1}\n",s4,s5); Console.WriteLine ("s1: {0}\n",s1); } } } Output: s2: Four s3: Three s4: Two s5: One s1: One Programming C#, 2nd Edition ... "intStack values:\t" ); PrintValues( intStack ); Programming C#, 2nd Edition 221 Example 10 -4. Using a StringBuilder namespace Programming_ CSharp { using System...

Ngày tải lên: 12/08/2014, 23:22

... newRow["PostalCode"] = txtZip.Text; newRow["Phone"] = txtPhone.Text; Programming C#, 2nd Edition 377 <meta name="vs_defaultClientScript" content="JavaScript"> ... operations in a try block and call RejectChanges( ) if they fail: Programming C#, 2nd Edition 370 As the C# code makes clear, WebForm1 inherits fro...

Ngày tải lên: 12/08/2014, 23:22

... 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+ 103+ 104+ 105+ 106+ 107+ 1 08+ 109+ 110+ ... 155+ 156+ 157+ 1 58+ 159+ 160+ 161+ 162+ 163+ 164+ 165+ 166+ 167+ 1 68+ 169+ 170+ 171+ 172+ 173+ 174+ 175+ 176+ 177+ 1 78+ 179+ 180 + 181 + 182 + 183 + 184 + 185 + 186 + 1...

Ngày tải lên: 12/08/2014, 23:22