Článek
11/18/2011

HtmlEventArgs Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides event details to event handlers.

Inheritance Hierarchy

System.Object
System.EventArgs
System.Windows.Browser.HtmlEventArgs

Namespace: System.Windows.Browser
Assembly: System.Windows.Browser (in System.Windows.Browser.dll)

Syntax

'Declaration
Public Class HtmlEventArgs _
    Inherits EventArgs

public class HtmlEventArgs : EventArgs

The HtmlEventArgs type exposes the following members.

Properties

	Name	Description
	AltKey	Gets the state of the ALT key when the event was raised.
	CharacterCode	Gets the integer Unicode value of a key that was pressed.
	ClientX	Gets the x-coordinate mouse position in pixels relative to the client area of the window.
	ClientY	Gets the y-coordinate mouse position in pixels relative to the client area of the window.
	CtrlKey	Gets the state of the CTRL key when the event was raised.
	EventObject	Gets the underlying HTML event object.
	EventType	Gets the name of the event raised by the browser.
	KeyCode	Gets the integer Unicode value of a key that is associated with a keyboard event other than "keypress".
	MouseButton	Gets the mouse buttons that were clicked at the time the event was raised.
	OffsetX	Gets the x-coordinate mouse position in pixels relative to the HTML object that raised the event.
	OffsetY	Gets the y-coordinate mouse position in pixels relative to the HTML object that raised the event.
	ScreenX	Gets the x-coordinate mouse position in pixels relative to the user's screen.
	ScreenY	Gets the y-coordinate mouse position in pixels relative to the user's screen.
	ShiftKey	Gets the state of the SHIFT key when the event was raised.
	Source	Gets a reference to the Document Object Model (DOM) element or object that raised the event.

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	PreventDefault	Specifies that the associated Document Object Model (DOM) element should not perform the default action for the current event.
	StopPropagation	Specifies that the event should not bubble up the Document Object Model (DOM) hierarchy.
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

You typically specify an EventHandler<HtmlEventArgs> when you require the additional event details that are available from HtmlEventArgs. Because of the overhead in fetching this information from the browser, you can instead use an EventHandler object for cases where you do not need the Document Object Model (DOM) information as part of event processing.

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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