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 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.