windows forms programming c pdf
windows forms programming with c#
... namespace. You cannot create an instance of this class, as no accessible instance constructor is provided Public Static Properties CommonAppDataRegistry Gets the RegistryKey for application ... . } // The Car class is derived from the Vehicle class class Car : Vehicle { . . . } // The Bus class is derived from the Vehicle class class Bus : Vehicle { . . . } } Back to our program, ... Form class itself. The controls in the Windows Forms namespace are discussed throughout the book. Many of the more common controls appear in chapter 9, “Basic controls,” chap- ter 10, “List controls,”...
Ngày tải lên: 06/07/2014, 01:22
Manning Windows Forms Programming (phần 1) pdf
... member is called a constructor, and works much like a constructor in C+ +. This is an instance constructor since it initializes new instances of the MyForm class. An instance constructor with ... base Vehicle class class Vehicle { . . . } // The Car class is derived from the Vehicle class class Car : Vehicle { . . . } // The Bus class is derived from the Vehicle class class Bus ... 12 CHAPTER 1 GETTING STARTED WITH WINDOWS FORMS . .NET Table 1.1 Application class The Application class is an object that encapsulates the static members necessary to manage and process forms, ...
Ngày tải lên: 07/07/2014, 04:20
Tài liệu Programming C# pdf
... New Project window. Figure 2-1. Creating a C# console application in Visual Studio .NET Programming C# 13 use. The CLR's garbage collector checks the heap for unreferenced objects and ... const int Republican = 2; const int Libertarian = 3; const int NewLeft = 4; const int Progressive = 5; int myChoice = Libertarian; switch (myChoice) { case Democrat: Console.WriteLine("You ... interact with COM components created outside the managed environment of the .NET Framework. It is possible to call components from C# applications into COM and to call components from COM into C# ....
Ngày tải lên: 10/12/2013, 14:16
Programming C# pdf
... simple character while \u0041 is a Unicode character. Escape characters are special two-character tokens in which the first character is a backslash. For example, \t is a horizontal tab. The common ... System.Collections namespace, and that I have also created a Dictionary class within a ProgCSharp.DataStructures namespace, there is no conflict because each exists in its own namespace. In ... interface, a C# class in effect promises to provide the functionality the interface specifies. C# also provides support for structs, a concept whose meaning has changed significantly from C+ +....
Ngày tải lên: 22/03/2014, 17:20
Manning Windows Forms Programming (phần 2) ppt
... form b Recent projects Quick access to recent projects d Dockable windows One-click access (via the tabs) to various windows in the environment e New Project button Click here to create a new project f Solution ... try block throws this class as an exception. The catch clause can leave this class name out to catch any exception. Here, we catch all Exception class objects, which is generally all exceptions ... process (catch) exceptions. Note that it is possible for unmanaged code to throw exceptions that will not be seen as Exception objects. These exceptions can be caught using an empty catch clause. Public...
Ngày tải lên: 07/07/2014, 04:20
Manning Windows Forms Programming (phần 3) ppt
... it. PointToClient Converts a screen location to client coordinates. Public Events Click Occurs when the control is clicked. KeyPress Occurs when a key is pressed while the control has focus. MouseUp Occurs ... right-clicks an associated object. This class is part of the System .Windows. Forms namespace, and inherits from the Menu class. Context menus are typically associated with a graphical control, ... experienced users especially appreciate. Context menus are typically associated with a specific graphical control, but can also be brought up programmatically. As a result, context menus provide quick...
Ngày tải lên: 07/07/2014, 04:20
Manning Windows Forms Programming (phần 4) pptx
... sorted collection of keys and values accessible by both key and index. ICloneable, ICollection, IEnumerable, IDictionary StringCollection A collection of string objects. IList, ICollection, ... objects. This class is abstract. ICloneable, IList, ICollec- tion, IEnumerable ArrayList A dynamically-sized array. ICloneable, IList, ICollection, IEnumerable CollectionBase An abstract class ... a new copy of an existing Brush. You can create an instance of a Brush, since it is a class, but you cannot create an instance of an ICloneable except as a by-product of an existing class that...
Ngày tải lên: 07/07/2014, 04:20
Manning Windows Forms Programming (phần 5) doc
... next. UPDATE MENUIMAGE_CHILDCLICK EVENT HANDLER Action Result 12 Locate the menuImage_ChildClick method in the MainForm.cs source file. protected void menuImage_ChildClick (object sender, System.EventArgs ... ScrollableControl and ContainerControl classes extend the Control class discussed in chapter 4 to support functionality required by the Form class. The ScrollableControl class adds auto-scrolling capabilities, ... the MainForm constructor in the MainForm.cs source window. public MainForm() { . . . 4 Add a call to menuImage_ChildClick in this constructor. menuImage_ChildClick(menuScale, EventArgs.Empty); ...
Ngày tải lên: 07/07/2014, 04:20
Manning Windows Forms Programming (phần 6) pps
... // btnCancel // this.btnCancel.DialogResult = System .Windows. Forms. DialogResult.Cancel; this.btnCancel.Location = new System.Drawing.Point(187, 88); this.btnCancel.Name = "btnCancel"; ... exception occurs in the menuSave_Click method. HANDLE EXCEPTION IN MENUSAVE_CLICK METHOD Action Result 1 Locate the menuSave_Click method in the MainForm.cs file. private void menuSave_Click ... writ- ten more succinctly by taking advantage of the boolean value returned by our close album method. protected override void OnClosing(CancelEventArgs ce) { ce.Cancel = (!this.CloseCurrentAlbum()); ...
Ngày tải lên: 07/07/2014, 04:20
Manning Windows Forms Programming (phần 7) docx
... button is clicked. Public Methods PerformClick Generates a Click event for the button. 308 CHAPTER 9 BASIC CONTROLS This code demonstrates a couple of new concepts, such as setting the focus and ... occur. The Validating event receives a CancelEventArgs parameter much like the OnClosing event we discussed for the Form class in chapter 6. The CancelEventArgs.Cancel property is used to cancel ... object to enable the controls when the box is checked. How-to This is the default event for the CheckBox control, so simply double-click on the control. private void cbtnPassword_CheckedChanged ...
Ngày tải lên: 07/07/2014, 04:20
