base class

Can be used to qualify a method that is defined in a base class and that has no implementation of the method provided in that class.

The direct base class of a class type must be at least as accessible as the class type itself.

Because so much of the infrastructure is provided by the base class, it is relatively easy to develop your own Windows Forms controls.

If it is not implemented, the base class implementation is called, but it does nothing other than to return immediately.

To call the base class implementation of that member in their own implementation.

A similar approach is to use one of Spring's abstract EJB implementation support classes as a base class for your EJB implementation.

Indicates that this delegate redeclares and hides an identically named programming element, or set of overloaded elements, in a base class.

While technically not meant to act as a generic base class for addresses, it could be used for that purpose.

The author creates a base class library that makes it relatively easy to develop drivers for specific devices using any. NET language.

Keyword behaves like an object variable referring to the base class of the current instance of a class.

By using the base keyword, it is possible to call the Getinfo method on the base class, from within the derived class.

If you select one of these classes for your base class, the Dialog ID box and the DHTML resource ID box are dimmed.

In C , dynamic binding happens when a virtual function is called through a reference (or a pointer) to a base class.

Note also that the name of the namespace in which the data type is defined can be retrieved, along with the name of the base class.

In such a case, you want the element to be accessible both from the base class and from all derived classes.

Last, we extend the setters to call into the functions of the base class to propagate notification of property changes.

Keyword was used to define this method, the derived class method is not calledthe base class method is called instead.

Qualifies does not need to be defined in the immediate base class; it may instead be defined in an indirectly inherited base class.

Subclassing the class is typically not an option here, since the method needs to be available to instances of the base class itself.

In a derived class, be sure to call the base class implementation of this method so that registered delegates receive the event.

When a third party provides the base class, the layout of the class interface is out of your control.

Provides a base class for a derived custom type that monitors changes in the state of the data which a cache item depends on.

When overriding OnPaintBackground in a derived class it is not necessary to call the base class's OnPaintBackground.

MyBase cannot be used to access base class members that are marked as Friend if the base class is in a different assembly.

An assignment operator was not accessible in a base class and was therefore not generated for a derived class.

Since both the base class and derived class have the same interface, there must be some implementation to go along with that interface.

The default constructor has no arguments; its implementation calls the base class constructor.

Serves as the abstract base class for HTML server controls that map to HTML elements that are required to have an opening and a closing tag.

A copy constructor was not accessible in a base class and was therefore not generated for a derived class.

When a class declares a base class, all of the class members defined for the base class become part of the new class as well.

An interface is like an abstract base class: any non-abstract type that implements the interface must implement all its members.

If the code provider does not override this method, the ICodeCompiler implementation is called by the base class.

The purpose of an abstract class is to provide a common definition of a base class that multiple derived classes can share.

Stores a value that indicates whether the binding reference is to a member that overrides a member in a base class.

The implementation has to call the base class for custom values that it does not recognize.

Serves as the base class for a set of helper zones that appear only in certain associated page display modes.

NET can be understood as a runtime environment and a comprehensive base class library.

For keys that are not processed by the control, the result of the base class's ProcessKeyEventArgs should be returned.

Review the descriptions of each class and then determine which base class best fits the requirements of your custom data-bound control.

Keyword to call methods in a base class when overriding methods in a derived class.

This class will inherit from the system base class, which will handle everything that you may want your application to do.

Member of a base class is accessible in a derived class only if the access takes place through the derived class type.

If they are redefined in a derived class, it is impossible for the derived class to call the base class implementation.

It is possible for malicious code to cast back to the base type and call the base class method .

For keys that are not processed by the control, the result of calling the base class's ProcessKeyEventArgs method should be returned.

Methods defined with the MustOverride modifier have no implementation in the base class and must be implemented in derived classes.

This interface provides methods that can be used to identify components of a component that are inherited from a base class.

You would have run into trouble, instead, if you tried to call Enhance directly in the base class.

You can then use the base class, or any of the subclasses, in methods that are typed to expect the base class as a method argument.

Value containing the name of the base class of this instrumentation class.

If the property in this class has one of these names, it should shadow the base class member.

For example, it is now easy to create specialized versions of the base class library'; s types using inheritance and polymorphism.

If the inherited interface is not declared as part of the new class, its implementation is provided by the base class that declared it.

Do not declare virtual events in a base class and override them in a derived class.

The name of the base class or interface serving as a lookup key for this editor.

The base class constructor checks a number of the parameters for a connection point and can throw several exceptions.

Keyword to call the constructor of a base class.

Copies members from the base class to the prototype associated with the derived class, and continues this process up the inheritance chain.

Provides a base class for a service that will exist as part of a service application.

If the device adapter set cannot be directly mapped, a new instance of the base class for the control is created.

A member function of a derived class has a different return type from the corresponding member function of the base class.

To compile correctly, some base class must contain a method matching the name and types of parameters appearing in the call.

Is the default setting for a property or procedure that does not itself override a base class property or procedure .

Specifies a path to a base class for a control and its associated code-behind class.

Can also be used to shadow an existing member, or set of overloaded members, in a base class.

Is commonly used to access base class members that are overridden or shadowed in a derived class.

You can start typing the name of the class, and Eclipse will narrow the list of base class candidates quickly.

This procedure assumes that an inheritance relationship exists between the type and its base class or interface.

Methods of the base class can be overridden by declaring a new method with the same signature as the new class method.

In this example, the constructor for the base class is called before the block for the constructor is executed.

Gets or sets the name of the base class of this instrumentation class.

Method simply creates an instance of the base class, passing to it the four parameters that contain information about the failed control.

Base class for a simple containment control that provides editing for a control's collection of child controls.

Interfaces are better in situations in which you do not have to inherit implementation from a base class.

Moreover, any change to the layout of a base class also affects the layout of the class interface for all derived classes.

The implementation has to extend a certain base class, and there should be an asynchronous interface that the framework implements.

The NotOverridable modifier defines a method of a base class that cannot be overridden in derived classes.

A sealed method overrides a method in a base class, but itself cannot be overridden further in any derived class.

Interfaces are better in situations in which you do not need to inherit implementation from a base class.

This means that the derived type is exactly the same type as the base class since it has exactly the same interface.

If the function was intended to be a static member function, rename it so it doesn't conflict with the base class virtual function.

Base class to derive custom Editors from. Use this to create your own custom inspectors and editors for your objects.

An unspecialized class template cannot be used as a template argument in a base class list.

Provides the abstract base class for creating formats that can be applied to a custom Web server control at design time.

You cannot define an additional version of a base class member unless that base class member already specifies Overloads.

Specifies the base class used for displaying dialog boxes on the screen.

Provides initialization for base class values when called by the constructor of a derived class.

You might think, reasonably enough, that the same enhancement can be accomplished simply by subclassing the XO base class.

Boost. Intrusive you just choose the hook to be a public base class or a public member of the class to be inserted.

It assumes that an inheritance relationship exists between the type and its base class or interface.

Represents the abstract base class from which all classes that derive byte sequences of a specified length inherit.

Provides the abstract base class for a collection whose keys are embedded within the values.

Class is an abstract class used as the base class for provider-specific exception class implementations.

Method for a form that has been unloaded, you will get a new instance of the form; any property settings from the base class will be lost.

A class function definition has the same name as a virtual function in a base class but not the same number or type of arguments.

Adapts a Web page for a specific browser and provides the base class from which all page adapters inherit, directly or indirectly.

Implement the base class as an interface, rather than as a class that implements an interface.

Change the name of the base class to the name of the control from which you want to inherit.

Obviously , the base class you constrain cannot be a sealed class or a static class , and the compiler enforces that .

Therefore, the overriding declaration must match the base class version in that respect as well.

As you can see in Listing 5, the instance document contains all the base class characteristics and the added CosmeticsAdvert component.

Value indicating whether the qualifier has been defined locally on this class or has been propagated from a base class.

Inheritance modifiers control how methods and properties from derived classes override methods and properties in a base class.

Although this might seem harmless, imagine what would happen if Internal were a base class for many of your internal classes.

Marking the base class as "private" allowed the derived class to inherit from it without actually becoming one of them.

A default property defined in a base class can be shadowed by another default property in a derived class .

Define a class with the given name, attributes, base class, and the set of interfaces that the class implements.

A derived-class member with the same name as a member of the base class hides direct access to the base-class member.

Base class is implemented by designer hosts to provide access to types, directives, and user controls defined in a Web project document.

The derived class inherits more than one override of a virtual function of a virtual base class.

similarly , the wisdom of defaulting an unlabeled base class to private inheritance seems questionable as a design practice.

Consider ending the name of derived classes with the name of the base class.

PeriodicThread is the base class from which worker threads in the set of cooperating threads must be derived.

If the reflected type is the same class as the declaring class, the member is defined on the declaring class, not on a base class.

To replace the base class implementation with its own.

Code that attempts to use enumerations will fail with a NoClassDefFoundError looking for the java. lang. Enum base class.

Allows you to override base class methods in a derived class.

Represents the abstract base class from which all implementations of the Advanced Encryption Standard ( AES ) must inherit .

In the case where a base class helps only in implementing a library, the base class should not be publicly visible.

If overriding, be sure to call the base class's FrameworkInitialize method.

Requiring classes to inherit from a base class to be disposable would make the class hierarchy too inflexible.

Overloads a base class constructor, this collection contains any arguments to pass to a base class constructor.

Represents the base class from which all implementations of the Rijndael symmetric encryption algorithm must inherit.

Or a deriving class can redefine a member of a base class, in which case the shadowing is done through inheritance.

Modifier forces references through your class to be resolved to the member you defined, instead of to the new base class element.

Using multiple inheritance in C could lead to the problem of multiple copies of a base class for a particular multiply-inheriting class.

Represents the abstract base class from which all implementations of the Digital Signature Algorithm (DSA) must inherit.

Class is the abstract base class for button fields and contains the methods and properties that are common to all button fields.

Abstract base class for the channel dispatcher that accepts channels and associates them with a service.

This class is the base class for all particle types and is used to describe an element in an XML document.

By default, garbage collection is non-concurrent, and only the base class library is loaded into the domain-neutral area.

Modifier in a class declaration to indicate that a class is intended only to be a base class of other classes.

Base class provides keyboard routing for child controls and enables child controls to work as a group.

A suitable set of implementations is provided in the testing framework, in a base class named ScaMockBase.

The fully qualified type name of the base class or interface to use as a lookup key for the editor.

The Control class is the base class for all controls used in a Windows Forms application.

You anticipate that your base class might be modified and define an element using the same name as yours.

Specify which base-class constructor should be called when creating instances of the derived class.

Class is an abstract base class that you must inherit from to create your own protected-configuration provider.

Often in a design, you want the base class to present only an interface for its derived classes.

Class is the base class for request response classes, like the.

However, placing an inheritance demand on any nonstatic method in the base class has the same effect as an inheritance demand on the class.

Implements the interfaces of an ActiveX site for use as a base class by the.

Method to let the base class localize the string.

You can then override any of the virtual methods or properties in the base class, or add your own.

Base class implementation and calculates the size of the frame window so that it "snaps" to the size of the property pages.

The XmlWriter class is an abstract base class that provides a forward-only, write-only, non-cached way of generating XML streams.

Control adapters should inherit from the appropriate base class and follow the same inheritance model as the control.

MarqueeControlRootDesigner inherits a DesignerVerbCollection from its base class.

A base class access is permitted only in a constructor, an instance method, or an instance property accessor.

Letting the base class behavior happen allows the derived class to concentrate on implementing behavior specific to the derived class.

A constant, field, property, or type introduced in a class or struct hides all base class members with the same name.

The customer class can be an abstract base class for a family of different customer types, such as private or business customer.

However, if you think that your code will be used in more than just Windows PowerShell, you should use Cmdlet as a base class.

It is invalid to use an unspecialized template class name as a template parameter in a base class list.

Acts as a base class for deriving custom settings providers in the application settings architecture.

This is the base class for all data-bound controls, which performs the data binding and validation of any bound data.

Represents the base class for WPF core-level implementations building on WPF elements and basic presentation characteristics.

Specifies the name of the base class for the new class.

Some methods are in bold, but that just means the method is not inherited form a base class.

Base class defines an object that is associated with a consumer or provider and contains the details necessary to exchange data.

Many programmers are confused about the difference between a metaclass and a base class.

The Resource class is the base class that contains methods for EMF resource manipulation, including methods for reading and saving content.

Overridden members have the same arguments as the members inherited from the base class, but they have different implementations.

Class as a base class for a custom toolbox item implementation.

Designers of a base class can anticipate the aspects of their base class that are likely to change for a derived type.

Version-safe modifiers help control the methods from a derived class that override methods in a base class.

Provides the base class for types that define a list of items used to create a smart tag panel.

The base class for a collection of parameters relevant to a.

A class may extend only one base class, but a class may implement many interfaces.

Hiding an inherited member means that the derived version of the member replaces the base-class version.

A method introduced in a class or struct hides properties, fields, and types, with the same name, in the base class.

Each class defines a Sub procedure display, and each derived class shadows the display procedure in its base class.

The application logic for the survey is built within the Java code, using a base class for the survey.

Define a class with the given name, attributes, base class, packing size, and the class size as a whole.

Serves as the base class that defines the methods, properties and events common to all controls in the.

Members of the managed class, including members inherited from its base class.

Derived classes inherit all the fields, properties, methods, and events of the base class.

Indicates whether the component associated with this attribute has been inherited from a base class.

If you do not intend to hide the base class member, change the property name.

The ConnectionsZone control is one of the Web Parts tool zone controls that inherit from the ToolZone base class.

If you intend to select a master page dynamically, it is recommended that you create a base class from which your master pages derive.

Serves as a base class for derived classes that import SOAP transmission protocols into XML Web services.

Serves as the base class for all Web Parts part controls, which render a modular user interface on a Web Forms page.

The abstract class is the base class in an inheritance relationship with another class.

The language in use has registered a designer class in the Registry that does not derive from the correct base class.

For derived classes, the class interface also exposes all public methods, properties, and fields of the base class.

If you shadow an element, you can still access the shadowed element through an object declared with the type of the base class.

Represents the base class for Web Parts controls that under certain conditions must replace other Web Parts controls on a page.

Base class. In rendering, the control checks whether it is in secondary UI mode, if so, renders the appropriate secondary UI.

Overridden members must have the same arguments as the inherited members from the base class.

An interface is similar to an abstract base class: any non-abstract type inheriting the interface must implement all its members.

Gets the instance of the base class used as the root component for the current design.

A custom action defined at the base class level is available to all classes and subclasses beneath the base class.

So instances of base class event types cannot be created directly by user code.

If you simply inherit a class and don't do anything else, the methods from the base-class interface come right along into the derived class.

The new class inherits the properties of the base class in the COM object, overloads a method, and defines a new method to extend the class.

The class must contain proper member definitions for the properties of the existing WMI base class.

The base class UserControl provides keyboard routing for child controls and enables child controls to work as a group.

The CodeDOM does not provide a way to represent the base class of a class separately from the base interface.

Provides a new implementation of a virtual member inherited from a base class.

Serves as the abstract base class that defines the properties, methods, and events common for all list-type controls.

The Image class is an abstract base class that provides methods for working with raster images (bitmaps) and vector images (metafiles).

Do not directly call your base class Finalize method.

Is the base class for objects that communicate across application domain boundaries by exchanging messages using a proxy.

Because the CatalogZone class adds only a zone template to the behavior of its base class, it has few members.

Hidden class members can still be called if an instance of the derived class is cast to an instance of the base class.

Version-safe modifier that prevents a method or property from overriding a method or property in a base class.

You can define your own switches by inheriting from the Switch class and overriding the base class methods with customized methods.

Class, using the name of the designer class and the base class for the designer.

The shadowed element in the base class is normally unavailable from within the derived class that shadows it.

the compiler is detecting a loss of information in the conversion because a base class is at a non-zero offset from the derived.

The base class for an SDI application's main frame window. Also the base class for all other frame window classes.

An abstract base class imposes unnecessary restrictions on application-oriented development of the class hierarchy.

Serves as the abstract base class for validation controls that perform typed comparisons.

Base class form the essential building blocks of a Web Parts application.

Provides the abstract base class for a collection whose keys are embedded in the values.

The TableLayoutControlCollection class is a minor specialization of the Control. : : . ControlCollection base class.

The SideShowGadget type (the base class of the all gadget types) offers events that apply to all gadgets regardless of endpoint.

When overriding the OnPaintBackground method, a derived class is not required to invoke the OnPaintBackground method of its base class.

Is a primitive type or serves as a base class to a complex hierarchy.

The abstract base class for proxies to well-known objects that were generated by the Soapsuds Tool (Soapsuds. Exe).

Inheritance involves the ability to reuse members of the base class, which in turn requires that these members be defined.

Base class, which provides a default implementation of this interface.

The base class must continue to work correctly even if its implementation is not called.

Complying with this guideline allows derived classes to handle a base class event by overriding the protected method.

Represents the abstract base class from which all implementations of asymmetric algorithms must inherit.

This allows the base class to be used as an adapter for composition controls.

Provides the base class used to support user property settings.

An indexer introduced in a class or struct hides all base class indexers with the same signature.

Constructor of the base class executes first, followed by constructors in derived classes.

A Java agent is a Java program that extends the Lotus-supplied base class called AgentBase and that runs inside the Domino framework.

Base class provides the required context in which server controls can connect and exchange data.

Derived classes inherit, and can extend, the properties, methods, events, fields, and constants defined in the base class.

Class is an abstract base class that provides non-cached, forward-only, read-only access to XML data.

Class is the base class from which Web controls inherit. It defines many properties common to all Web controls.

This is commonly used to access custom members of the profile provider that are not part of the ProfileProvider abstract base class.

Its own message catalog extends and overrides the values inherited from the base class.

Change the visibility modifier of the derived-class method to match the visibility of the base class method.

This abstract class is provided as the base class for all cryptographic random number generators.

Represents the base class from which all implementations of cryptographic hash algorithms must derive.

Class is the base class used by applications to provide contextual information to the settings provider.

Method should not call a method on any objects other than that of its base class.

The base implementation does fairly substantial work to free resources that are known to the base class.

This method performs the validation check between the base class and the parameter object.

Each service or proxy that supported an interface was required to inherit from the abstract base class that defined the interface.

Page acts as an abstract base class for all pages and can contain any arbitrary tree of Components.

Is the base class for exceptions thrown while accessing information using streams, files and directories.

Conditional member 'member' cannot implement interface member 'base class member' in type 'Type Name'

Method, the adapter should call the corresponding base class method before any additional processing.