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EventHandler Delegate

Definition

Namespace:
Windows.Foundation
Edit

Represents a method that handles general events.

.NET This type appears as System.EventHandler.

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.Guid(2648818997, 27361, 4576, 132, 225, 24, 169, 5, 188, 197, 63)]
template 
class EventHandler : MulticastDelegate
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.Guid(2648818997, 27361, 4576, 132, 225, 24, 169, 5, 188, 197, 63)]
public delegate void EventHandler(object sender, T args);
Public Delegate Sub EventHandler(Of T)(sender As Object, args As T)

Type Parameters

T

Parameters

sender
Object

IInspectable

The event source.

args
T

The event data.

Attributes
ContractVersionAttribute GuidAttribute

Windows requirements

Requirements Description
Device family
Windows 10 (introduced in 10.0.10240.0)
API contract
Windows.Foundation.FoundationContract (introduced in v1.0)

Remarks

When programming with .NET, this class is hidden and developers should use the System.EventHandler class. Existing Windows Runtime events have an event data type constraint for TEventArgs, so use that event-data type if you need the event data in your specific handler implementation.

Applies to

See also