Gets the state of the middle button of the mouse.
Assembly: PresentationCore (in PresentationCore.dll)
The following example shows how to determine whether the middle mouse button is pressed by checking if the state of the is equal to the MouseButtonState enumeration value Pressed. If the button is pressed, a method is called which updates display elements in the sample.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)