UIA was initially available on Windows Vista and Windows Server 2008, and it was also made available to Windows XP and Windows Server 2003 as part of .NET Framework 3.0.
Besides Windows platforms, the Olive project (which is a set of add-on libraries for the Mono core aiming for the .NET Framework support) includes a subset of WPF (PresentationFramework and WindowsBase) and UI Automation [REF].