.NET Framework Class Library
EventArgs.Empty Field

Represents an event with no event data.

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

Syntax

Visual Basic (Declaration)
Public Shared ReadOnly Empty As EventArgs
Visual Basic (Usage)
Dim value As EventArgs

value = EventArgs.Empty
C#
public static readonly EventArgs Empty
C++
public:
static initonly EventArgs^ Empty
J#
public static final EventArgs Empty
JScript
public static final var Empty : EventArgs
Remarks

The value of Empty is a read-only instance of EventArgs equivalent to the result of calling the EventArgs constructor.

Platforms

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Version Information

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0
See Also

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Community Content

David M. Kean - MSFT
Pass this field to events instead of an new instance of EventArgs

You should never need to create an instance of the EventArgs class. If you have an event that only needs to take an EventArgs, simply pass this field:

C#:

public class Button
{
    public event EventHandler Click;
 
    protected virtual void OnClick(EventArgs e)
    {
        if (Click != null)
        {
            Click(this, e);
        }
    }
 
    private void RaiseClick()
    {
        OnClick(EventArgs.Empty);
    }
}
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