EventArgs Class

AccessViolationException Class

Action Delegate

Action(T) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16) Delegate

Action(T1, T2) Delegate

Action(T1, T2, T3) Delegate

Action(T1, T2, T3, T4) Delegate

Action(T1, T2, T3, T4, T5) Delegate

Action(T1, T2, T3, T4, T5, T6) Delegate

Action(T1, T2, T3, T4, T5, T6, T7) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8) Delegate

Action(T1, T2, T3, T4, T5, T6, T7, T8, T9) Delegate

Activator Class

AggregateException Class

AppDomain Class

AppDomainManager Class

AppDomainSetup Class

AppDomainUnloadedException Class

ApplicationException Class

ArgumentException Class

ArgumentNullException Class

ArgumentOutOfRangeException Class

ArithmeticException Class

Array Class

ArraySegment(T) Structure

ArrayTypeMismatchException Class

AsyncCallback Delegate

Attribute Class

AttributeTargets Enumeration

AttributeUsageAttribute Class

BadImageFormatException Class

BitConverter Class

Boolean Structure

Buffer Class

Byte Structure

CannotUnloadAppDomainException Class

Char Structure

CLSCompliantAttribute Class

Comparison(T) Delegate

Console Class

ContextStaticAttribute Class

Convert Class

Converter(TInput, TOutput) Delegate

DataMisalignedException Class

DateTime Structure

DateTimeKind Enumeration

DateTimeOffset Structure

DayOfWeek Enumeration

DBNull Class

Decimal Structure

Delegate Class

DivideByZeroException Class

DllNotFoundException Class

Double Structure

EntryPointNotFoundException Class

Enum Class

Environment Class

Environment.SpecialFolder Enumeration

EventArgs Class

EventArgs Constructor

EventArgs Fields

EventArgs Methods

EventHandler Delegate

EventHandler(TEventArgs) Delegate

Exception Class

ExecutionEngineException Class

FieldAccessException Class

FileStyleUriParser Class

FlagsAttribute Class

FormatException Class

FtpStyleUriParser Class

Func(TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, TResult) Delegate

Func(T, TResult) Delegate

Func(T1, T2, TResult) Delegate

Func(T1, T2, T3, TResult) Delegate

Func(T1, T2, T3, T4, TResult) Delegate

Func(T1, T2, T3, T4, T5, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, TResult) Delegate

Func(T1, T2, T3, T4, T5, T6, T7, T8, TResult) Delegate

GC Class

GCCollectionMode Enumeration

GenericUriParser Class

GenericUriParserOptions Enumeration

Guid Structure

HttpStyleUriParser Class

IAsyncResult Interface

IComparable Interface

IComparable(T) Interface

IConvertible Interface

ICustomFormatter Interface

IDisposable Interface

IEquatable(T) Interface

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IndexOutOfRangeException Class

Int16 Structure

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Int64 Structure

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InvalidCastException Class

InvalidOperationException Class

InvalidProgramException Class

InvalidTimeZoneException Class

IObservable(T) Interface

IObserver(T) Interface

IProgress(T) Interface

IServiceProvider Interface

Lazy(T) Class

Lazy(T, TMetadata) Class

LoaderOptimization Enumeration

Math Class

MemberAccessException Class

MethodAccessException Class

MidpointRounding Enumeration

MissingFieldException Class

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MissingMethodException Class

MTAThreadAttribute Class

MulticastDelegate Class

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NullReferenceException Class

Object Class

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ObsoleteAttribute Class

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OperationCanceledException Class

OutOfMemoryException Class

OverflowException Class

ParamArrayAttribute Class

PlatformID Enumeration

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Predicate(T) Delegate

Progress(T) Class

Random Class

RankException Class

ResolveEventArgs Class

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RuntimeArgumentHandle Structure

RuntimeFieldHandle Structure

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SByte Structure

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StackOverflowException Class

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String Class

StringComparer Class

StringComparison Enumeration

StringSplitOptions Enumeration

SystemException Class

ThreadStaticAttribute Class

TimeoutException Class

TimeSpan Structure

TimeZoneInfo Class

Tuple Class

Tuple(T1) Class

Tuple(T1, T2) Class

Tuple(T1, T2, T3) Class

Tuple(T1, T2, T3, T4) Class

Tuple(T1, T2, T3, T4, T5) Class

Tuple(T1, T2, T3, T4, T5, T6) Class

Tuple(T1, T2, T3, T4, T5, T6, T7) Class

Tuple(T1, T2, T3, T4, T5, T6, T7, TRest) Class

Type Class

TypeAccessException Class

TypeCode Enumeration

TypeInitializationException Class

TypeLoadException Class

UInt16 Structure

UInt32 Structure

UInt64 Structure

UIntPtr Structure

UnauthorizedAccessException Class

UnhandledExceptionEventArgs Class

UnhandledExceptionEventHandler Delegate

Uri Class

UriBuilder Class

UriComponents Enumeration

UriFormat Enumeration

UriFormatException Class

UriHostNameType Enumeration

UriIdnScope Enumeration

UriKind Enumeration

UriParser Class

UriTypeConverter Class

ValueType Class

Version Class

Void Structure

WeakReference Class

WeakReference(T) Class

WindowsRuntimeSystemExtensions Class

EventArgs Class

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

EventArgs is the base class for classes containing event data.

Inheritance Hierarchy

System::Object
System::EventArgs
More...

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

Syntax

No code example is currently available or this language may not be supported.

The EventArgs type exposes the following members.

Constructors

	Name	Description
	EventArgs	Initializes a new instance of the EventArgs class.

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.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Fields

	Name	Description
	Empty	Represents an event with no event data.

Remarks

This class contains no event data; it is used by events that do not pass state information to an event handler when an event is raised. If the event handler requires state information, the application must derive a class from this class to hold the data.

For more information about events, see the EventHandler topic.

Examples

The following code sample illustrates the use of EventArgs.

In this sample, FireEventArgs is a set of event arguments derived from EventArgs, and passed to the FireEventHandler when an event is raised by calling ActivateFireAlarm.

Note:
For information on how to compile and run this example code, see Building examples that have static TextBlock controls for Windows Phone 8.

No code example is currently available or this language may not be supported.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

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.

See Also

Reference

System Namespace

Inheritance Hierarchy

System::Object
  System::EventArgs
    Microsoft.Devices::CameraOperationCompletedEventArgs
    Microsoft.Devices::ContentReadyEventArgs
    Microsoft.Devices.Sensors::AccelerometerReadingEventArgs
    Microsoft.Devices.Sensors::CalibrationEventArgs
    Microsoft.Devices.Sensors::SensorReadingEventArgs<T>
    Microsoft.Phone.BackgroundAudio::PlayStateChangedEventArgs
    Microsoft.Phone.BackgroundTransfer::BackgroundTransferEventArgs
    Microsoft.Phone.Controls::ItemRealizationEventArgs
    Microsoft.Phone.Controls::NotifyEventArgs
    Microsoft.Phone.Controls::ObscuredEventArgs
    Microsoft.Phone.Controls::OrientationChangedEventArgs
    Microsoft.Phone.Controls::PivotItemEventArgs
    Microsoft.Phone.Maps.Controls::MapEventArgs
    Microsoft.Phone.Media::MediaStreamerEndedEventArgs
    Microsoft.Phone.Media::MediaStreamerFailedEventArgs
    Microsoft.Phone.Media::MediaStreamerOpenedEventArgs
    Microsoft.Phone.Net.NetworkInformation::NetworkNotificationEventArgs
    Microsoft.Phone.Notification::HttpNotificationEventArgs
    Microsoft.Phone.Notification::NotificationChannelConnectionEventArgs
    Microsoft.Phone.Notification::NotificationChannelErrorEventArgs
    Microsoft.Phone.Notification::NotificationChannelUriEventArgs
    Microsoft.Phone.Notification::NotificationEventArgs
    Microsoft.Phone.SecureElement::RegisterSecureElementItemEventArgs
    Microsoft.Phone.SecureElement::UserActionEventArgs
    Microsoft.Phone.Shell::ActivatedEventArgs
    Microsoft.Phone.Shell::ApplicationBarStateChangedEventArgs
    Microsoft.Phone.Shell::ClosingEventArgs
    Microsoft.Phone.Shell::DeactivatedEventArgs
    Microsoft.Phone.Shell::HideEventArgs
    Microsoft.Phone.Shell::LaunchingEventArgs
    Microsoft.Phone.Shell::MinimizeEventArgs
    Microsoft.Phone.Shell::RunningInBackgroundEventArgs
    Microsoft.Phone.Shell::ShowEventArgs
    Microsoft.Phone.Shell::VisibleRegionChangedEventArgs
    Microsoft.Phone.Tasks::TaskEventArgs
    Microsoft.Phone.UserData::AppointmentsSearchEventArgs
    Microsoft.Phone.UserData::ContactsSearchEventArgs
    System.Collections.Specialized::NotifyCollectionChangedEventArgs
    System.ComponentModel::AsyncCompletedEventArgs
    System.ComponentModel::CancelEventArgs
    System.ComponentModel::CurrentChangingEventArgs
    System.ComponentModel::DataErrorsChangedEventArgs
    System.ComponentModel::DoWorkEventArgs
    System.ComponentModel::ProgressChangedEventArgs
    System.ComponentModel::PropertyChangedEventArgs
    System.ComponentModel::PropertyChangingEventArgs
    System.Device.Location::GeoPositionChangedEventArgs<T>
    System.Device.Location::GeoPositionStatusChangedEventArgs
    System.Diagnostics.Contracts::ContractFailedEventArgs
    System.Net.Sockets::SocketAsyncEventArgs
    System.Net::WriteStreamClosedEventArgs
    System::ResolveEventArgs
    System.Runtime.InteropServices.Automation::AutomationEventArgs
    System.ServiceModel::UnknownMessageReceivedEventArgs
    System.Threading.Tasks::UnobservedTaskExceptionEventArgs
    System::UnhandledExceptionEventArgs
    System.Windows::ApplicationUnhandledExceptionEventArgs
    System.Windows.Controls.Primitives::ItemsChangedEventArgs
    System.Windows.Controls.Primitives::ManipulationStateChangedEventArgs
    System.Windows.Controls.Primitives::ViewportChangedEventArgs
    System.Windows.Data::FilterEventArgs
    System.Windows.Input::TouchFrameEventArgs
    System.Windows.Interop::NavigationStateChangedEventArgs
    System.Windows.Media.Imaging::DownloadProgressEventArgs
    System.Windows.Media::RenderingEventArgs
    System.Windows.Navigation::FragmentNavigationEventArgs
    System.Windows.Navigation::JournalEntryRemovedEventArgs
    System.Windows.Navigation::NavigationEventArgs
    System.Windows.Navigation::NavigationFailedEventArgs
    System.Windows::RoutedEventArgs
    System.Windows::StartupEventArgs
    System.Windows::VisualStateChangedEventArgs
    System.Xml.Linq::XObjectChangeEventArgs

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