MouseEventArgs.MiddleButton Property

Gets the current state of the middle mouse button.

Namespace: System.Windows.Input
Assembly: PresentationCore (in presentationcore.dll)
XML Namespace:

public MouseButtonState MiddleButton { get; }
/** @property */
public MouseButtonState get_MiddleButton ()

public function get MiddleButton () : MouseButtonState

Members of this class are either not typically used in XAML, or cannot be used in XAML.

Property Value

The current state of the middle mouse button, which is either Pressed or Released. There is no default value.

The Mouse class provides additional properties and methods for determining the state of the mouse.

The following example prints a message if the state of the MiddleButton property is Pressed.

if (e.MiddleButton == MouseButtonState.Pressed)

    MessageBox.Show("The Middle Mouse Button is pressed");

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0