Gets the state of the first extended button.
Assembly: PresentationCore (in PresentationCore.dll)
The following example shows how to determine whether the first extended mouse button is pressed by checking if the state of 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)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.