C# Bible 2002 phần 5 doc

... control. The C# language contains special keywords that make it easy for you to fire, publish and subscribe to events in your C# code. You can use these keywords to allow your C# classes to ... Interface1 { public static void Main() { } } The C# compiler issues the following error message when the code is compiled: error CS 053 5: 'MyClass' does not implement int...

Ngày tải lên: 05/08/2014, 10:20

... g.DrawIcon(i, 150 , 15) ; // draw a Rectangle Pen p2; p2 = new Pen(Color.PapayaWhip, 7); /* draw the Rectangle passing the x, y, * height and width */ g.DrawRectangle(p2, 50 , 50 , 100, ... XML elements. The result is a well-formed XML document that can be processed by any XML document processor, as shown in Listing 25- 6 . Listing 25- 6: Writing XML with the XmlWrite...

Ngày tải lên: 05/08/2014, 10:20

... - - Editor Editor : : Đo Đo à à n n Quang Minh Quang Minh 1 1 C# and .NET Framework C# and .NET Framework B B à à i 5: i 5: Windows Application Windows Application Đo Đo à à n Quang Minh n ... http://www.thanglong.edu.vn/giang http://www.thanglong.edu.vn/giang - - day/tab.aspx day/tab.aspx Di Di ễ ễ n đ n đ à à n C# & .NET n C# & .NET http://www.thanglong.edu.vn/...

Ngày tải lên: 31/07/2014, 09:20

... value is 65, 5 35. float Variables with a float type can hold a 32-bit signed floating-point value. The smallest possible value of a float type is approximately 1 .5 times 10 to the 45th; the ... of the pieces fit together to construct a complete C# application. Readers approaching C# with a background in C++ will find C# very familiar. C# was built with C and C++ in mind, and...

Ngày tải lên: 05/08/2014, 10:20

... exponent value. The real literal 7.5e+2 defines a value of 750 , and the real literal 7.5e-2 defines a value of .0 75. If you don't use either sign, the C# compiler assumes that your exponent ... can contain a number ranging from 0 to 4,294,967,2 95; whereas a ulong value can contain a value ranging from 0 to 18,446,744,073,709 ,55 1,6 15. If the literal is suffixed with an upperca...

Ngày tải lên: 05/08/2014, 10:20

... you access a class method. Take a look at Listing 7 -5. Listing 7 -5: Calling Structure Methods class Listing7 _5 { MyPoint.X = 100; The C# compiler determines that the statement is setting ... class Wiley : Book { new public string Title() { return " ;C# Bible& quot;; } } The Point class in Listing 9 -5 has two public fields: X and Y. It also implements two...

Ngày tải lên: 05/08/2014, 10:20

... class, you get an error from the C# compiler: error CS 051 3: 'Shape.GetArea ()' is abstract but it is contained in nonabstract class 'Shape' The C# compiler doesn't allow ... Main() { Point2D My2DPoint = new Point2D(100, 200); Point3D My3DPoint = new Point3D( 150 , 250 , 350 ); My2DPoint.PrintToConsole(); My3DPoint.PrintToConsole(); } } The...

Ngày tải lên: 05/08/2014, 10:20

... because the philosophy of the C# language emphasizes clarity, and the C# compiler always warns about code constructs that are unclear. Solving the Versioning Problem C# offers two ways to resolve ... applications designed using C#, WindowsForms applications must be compiled with the C# compiler before you can execute their code. WindowsForms applications compiled with the C# co...

Ngày tải lên: 05/08/2014, 10:20

... "USA"; // 9 workRow["Phone"] = " (50 3) 55 5-6874"; // 10 workRow["Fax"] = " (50 3) 55 5-2376"; // 11 resultDataSet.Tables["Customers"].Rows.Add(workRow); ... "USA"; // 9 workRow["Phone"] = " (50 3) 55 5-6874"; // 10 workRow["Fax"] = " (50 3) 55 5-2376"; // 11...

Ngày tải lên: 05/08/2014, 10:20

... class. Right-click; select Add, and then select Add Method. The C# Method Wizard opens, as shown in Figure 29 -5. Figure 29 -5: The C# Method Wizard 10. Name this new method Start and ensure that ... Code Base: file:///C:/Documents and Settings/User/My Documents/Listing31- 2/bin/Debug/Listing31-2.exe • Escaped Code Base: file:///C:/Documents%20and%20Settings/User/My%20Documents/Li...

Ngày tải lên: 05/08/2014, 10:20