Sys Namespace

Provides the root namespace for ASP.NET AJAX.

Types

Name	Description
Sys.Application Class	Provides a run-time object that exposes client events and manages client components that are registered with the application.
Sys.ApplicationLoadEventArgs Class	Used by the Application class to hold event arguments for the load event.
Sys.Browser Class	Provides information about the current Web browser.
Sys.CancelEventArgs Class	Provides the base class for events that can be canceled.
Sys.CollectionChange Class	Describes a change in a collection.
Sys.CommandEventArgs Class	Provides a class for command events.
Sys.Component Class	Provides the base class for the Control and Behavior classes, and for any other object whose lifetime should be managed by the ASP.NET AJAX client library.
Sys.CultureInfo Class	Represents a culture definition that can be applied to objects that accept a culture-related setting.
Sys.Debug Class	Provides debugging and tracing functionality for client ECMAScript (JavaScript) code.
Sys.EventArgs Class	Provides a base class for classes that are used by event sources to pass event argument information.
Sys.EventHandlerList Class	Creates a dictionary of client events for a component, with event names as keys and the associated handlers as values.
Sys.HistoryEventArgs Class	This class is used by the Sys.Application Class to hold event arguments for the navigate event.
Sys.IContainer Interface	Provides a common interface for all components that can contain other components.
Sys.IDisposable Interface	Provides a common interface for the application-defined tasks of closing, releasing, or resetting resources held by instances of a registered Microsoft Ajax Library class.
Sys.INotifyDisposing Interface	Indicates that the type that implements the interface provides disposing notifications.
Sys.INotifyPropertyChange Interface	Defines the propertyChanged event.
Sys.NotifyCollectionChangedAction Enumeration	Describes how a collection has changed.
Sys.NotifyCollectionChangedEventArgs Class	Describes how the collection was changed.
Sys.Observer Class	Adds updating and managing functionality to target objects such as arrays, DOM elements, and objects.
Sys.PropertyChangedEventArgs Class	Used by the propertyChanged event to indicate which property has changed.
Sys.Res Class	Provides static, culture-neutral exception messages that are used by the Microsoft Ajax Library framework.
Sys.StringBuilder Class	Provides a mechanism to concatenate strings.
Sys Exception Types	Raises an Error that represents exceptions raised by the Microsoft Ajax Library framework. These exceptions are created dynamically by using the Error type extension functions and cannot be instantiated or invoked.