windows forms programming with c pdf

... interface such as our MyAlbumExplorer application, or thecommon Windows Explorer application Another kind of interface is the multiplecol-document interface, also called an MDI (normally pronounced ... application These topics will be covered as we progress through the chapter, beginning with theconcept of interface styles Trang 1116.1 I NTERFACE STYLESBefore we discuss exactly how multiple document ... interfaces are created, let’s take astep back and consider the various types of application interfaces used for Windowsapplications Most Windows applications fall into one of three interface categories:

Ngày tải lên: 07/07/2014, 04:20

... ExcludeClip to clip regions // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles Rectangle rect1 = new Rectangle(20, 20, 60, 80); Rectangle ... SetClip, ResetClip, and IntersectClip methods // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create rectangles and regions Rectangle rect1 = new Rectangle(20, ... the context menu click event handlers Listing 6.17 Menu item click event handlers private void CircleMenu_Click(object sender, // Create a Shape object and call // the GetRectRegion method

Ngày tải lên: 12/08/2014, 19:20

... 11.11 PaperSourceKind members Member Description AutomaticFeed Automatically fed paper Cassette A paper cassette Custom A printer-specific paper source Envelope... PrintDocument object handles printing ... PrintGraphicsItems_Click method is a menu click event handler that creates a PrintDocument object, sets its PrintPage event, and calls the Print method. The second method, PrintGraphicsItemsHandler, ... ViewImage_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Call OpenFileDialog, which allows us to browse // images OpenFileDialog

Ngày tải lên: 12/08/2014, 19:20

... Preface course for students with no prior computer programming experience in either C or Fortran Each section covered includes... the use of fundamental language constructs for control ... it on counter Place all-meat patty on bottom piece of bun Place tomato slice on patty Place lettuce leaf on tomato Squirt special sauce on lettuce 1.2 The von Neumann Machine Architecture ... combustion engines We can abstract the concept of engine to include machines in general as well as complex machines such as robots and vehicles To further the abstraction, we can include systems

Ngày tải lên: 19/03/2014, 14:08

... func(xobject), while a member function is called like xobject.func() • Designer can select the syntax that is considered most readable. Trang 17Friend classes Declare a single member function, ... function has to be declared in the class whose data it will access This cannot be done if the source code is not available to a programmer If the source code is available, then existing classes ... can consider allowing the whole class friend privileges. Trang 20Friend classes (Contd.) However, the public member functions of the class alpha cannot access the private members of the class

Ngày tải lên: 23/03/2014, 04:21

... ConversionsType of Conversion Function in Destination Class Function in Source Class Basic to Class Constructor N/A Class to Basic N/A Conversion Function Class to Class Constructor Conversion Function ... Trang 43Conversion between Objects (Contd.) objectA = objectB; objectA: object of destination class objectB: object of source class  Conversion of objects of two different classes can be achieved ... reference X::X(const X &ptr) that the copy process does not inadvertently make any changes to the object that is being copied Trang 32Copy Constructor (Contd.) Copy constructor is called

Ngày tải lên: 23/03/2014, 04:21

... section in terms of scope and access • Protected members can be accessed only by members of that class • Protected members cannot be accessed by objects or functions from outside the class, such ... section Allow controlled access by providing some protected members Inheritance does not work in reverse Object Oriented Access rules for Base class members Access specifier Accessible Accessible... ... example: class A { }; class B : public A { }; // where class A is a direct class.  An indirect class can be written as: class A { }; class B : public A { }; class C : public B { }; //Can be extended

Ngày tải lên: 23/03/2014, 04:21

... //constructors s;} //constructor a;} Object Oriented Programming with C++ / Session / of 44 Constructors (Contd.) class Teach_asst: public Teacher,public Student { private: int z; public: Teach_asst():Teacher(),Student() ... Inheritance • Multiple Inheritance with a Common Base s Describe Virtual Base Classes • Constructors and Destructors s Use Pointers to Objects to access Member Functions Object Oriented Programming with ... static binding will be used s Object Oriented Programming with C++ / Session / 35 of 44 Pure Virtual functions s Some classes such as class Shapes, represent abstract concepts for which objects cannot

Ngày tải lên: 23/03/2014, 04:21

... back (which is really all computers do). The most popular speed 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 ... resistive touch screen the plastic surface bends and makes a connection with the layer below it. A simple circuit then measures the electrical resistance to the point of contact and uses this ... Windows Phone  10 Windows Phone Gyroscope A mechanical gyroscope is a device that always points in a particular direction The Windows Phone contains an electronic version which

Ngày tải lên: 23/03/2014, 22:21

... bookboon.comStructured Programming with C++ Trang 10Download free eBooks at bookboon.comStructured Programming with C++ Trang 11Download free eBooks at bookboon.comStructured Programming with C++ ... eBooks at bookboon.comStructured Programming with C++ C++ is a compact language with many symbols having their own meanings his means that C++ code looks complicated to the novice On the other hand ... possible try to manage without the solutions he purpose of the course Structured Programming with C/C++ is primarily to teach how to ”think programming” and secondarily to teach C++ code herefore, I

Ngày tải lên: 01/04/2014, 00:20

... But remember that the more you pursue this hint, the more complicated your locking becomes,  and  the  more  likely  you  are  to  become  confused  about  which  lock  is protecting which data, and end up with some unsynchronized access to shared data.  ... object  instance’s  lock  to  protect  all  the  instance  fields  of  a  class,  and  use  “typeof(theClass)” to protect the static fields. Unfortunately, very coarse grained locking can cause other problems, described below. So the best advice is to make your use of locks be as simple as possible, but no simpler. If you are tempted to use more elaborate arrangements, be entirely sure that the benefits are worth the risks, not just that the program looks nicer.  ... tutorial applies equally well to other languages with thread support, such as Java.  Categories  and  Subject  Descriptors:  D.1.3  [Programming  Techniques]:  Concurrent  Programming;  D.3.3  [Programming  Languages]:  Language  Constructs 

Ngày tải lên: 07/07/2014, 00:20

... MyForm constructor add the button and picture box controls tothe form using the Controls property The Controls property returns an instance of the Control.ControlCollection class The ControlCollection ... 1Alternatively, an alias for a specific type can be created For example, a shortcut forthe Application class can be defined with: using MyAppAlias = System.Windows.Forms.Application This would permit ... define eventsthat may occur on instances of that class, and enable such instances to specify func-tions that receive and process these events While this may seem complicated, the result is simply

Ngày tải lên: 07/07/2014, 04:20

... current location. Context menus in .NET are typically associated with a specific control, the contents of which may change to reflect the condi- tion of the control or type of item selected within ... the discussion of the .NET architecture and Windows Forms programming provided in chapter 1. Here we pick up where chapter 2 left off and provide a some- what systematic discussion of basic Windows ... application. 72 CHAPTER 3 MENUS The Menu class derives from the Component class, which derives from the Mar- shalByRefObject class, which derives from the Object class. All classes in C#, Figure

Ngày tải lên: 07/07/2014, 04:20

... produce both execut-ables and libraries The /target switch specifies the type of output file to produce a Click the Projects tab. b Click the MyPhotoAlbum project. c Click the Select button. d Click ... protected property .NET Table 5.2 CollectionBase class The CollectionBase class is an abstract class for creating strongly typed collections A class is strongly typed if it only allows a specific ... and Icon objects based on the local system configuration. Color Stores a color value A number of static colors are defined, such as Color.Red , or a custom color can be created from an alpha component

Ngày tải lên: 07/07/2014, 04:20

... Public Static Readonly Fields DirectorySeparatorChar A platform-specific directory separator character This is the backslash character ‘\’ on Windows systems. InvalidPathChars A platform-specific ... platform-specific array of characters Each character is not permitted in a file system path. PathSeparator A platform-specific path separator character The semicolon ‘;’ character on Windows systems. ... method automatically: menuAdd.Click += new EventHandler (this.menuAdd_Click); 3 Remove the menuLoad_Click handler and copy its code into the menuAdd_Click handler. Note: This code opens a single

Ngày tải lên: 07/07/2014, 04:20

... basic concepts and terminology of object-oriented programming.  Use common objects and references types.  Create, initialize, and destroy objects in a C# application.  Build new C# classes ... sample. xii Programming with C# Trainer Materials Compact Disc Contents The Trainer Materials compact disc contains the following files and folders:  Autorun.exe. When the CD is inserted ... Experience programming in C, C+ +, Visual Basic, Java, or another programming language  Familiarity with the Microsoft .NET strategy as described on the Microsoft .NET Web site (http://www.microsoft.com/net/)...

Ngày tải lên: 21/12/2013, 06:16

... instance of a Brush derivative, such as SolidColorBrush. Colors is a class that contains 141 static properties of type Color. You can create a Color object from ARGB bytes by using the static Color.FromArgb ... the Children property of the Grid. That cannot be explicitly included because only elements with parameterless public constructors can be instantiated in XAML files, and the UIElementCollection ... InitializeComponent method concludes by setting that field to the actual Grid object created by Application.LoadComponent. The contentGrid field is thus accessible throughout the BlankPage class,...

Ngày tải lên: 08/03/2014, 18:20

... the modification has occurred. However, this doesn’t mean that a change can’t be rolled back, because the trigger has direct access to the modified row and as such can roll back any modification. ... the connection 23 cnnUserMan = new SqlConnection(STR_CONNECTION_STRING); 24 cnnUserMan.Open(); 25 26 // Instantiate and initialize command 27 cmmUser = new SqlCommand(“SELECT * FROM viwUser”, cnnUserMan); 28 ... constraint in some situations, because a trigger can access columns in other tables, unlike a constraint, which can only access columns in the current table or row. If your code is to handle your business...

Ngày tải lên: 27/10/2013, 07:15

... Works” to the screen. a. Replace the skeleton text with text from LABS/p20proc.pls. b. Compile the code. Make appropriate corrections so code successfully compiles. c. Execute the procedure at the ... functions. You are already familiar with SQL functions. You call the function with actual parameters from within a SQL command, such as SELECT. Example Number Functions ROUND (1896,2) TRUNC (1892,-2) ... l20func.pls PRACTICE: p20proc.pls Modularizing Programming with Subprograms 20Ć9 Creating a Procedure Create a PL/SQL procedure to store a series of actions for later execution. The procedure can contain zero...

Ngày tải lên: 10/12/2013, 17:15