Microsoft UI Automation - Related Technology and Interoperability

Related Technology and Interoperability

  • Microsoft Active Accessibility (MSAA): UIA is the successor to MSAA. However, since there are still MSAA based applications in existence, bridges are used to allow communication between UIA and MSAA applications. So information can be shared between the two APIs, an MSAA-to-UIA Proxy and UIA-to-MSAA Bridge were developed. The former is a component that consumes MSAA information and makes it available through the UIA client API. The latter enables client applications using MSAA access applications that implement UIA.
  • Accessible Rich Internet Applications (ARIA): The UIA AriaRole and AriaProperties properties can provide access to the ARIA attribute values corresponding to an HTML element (which can be exposed as an automation element by web browsers). General mapping from ARIA attributes to UIA is also available.
  • Windows Automation API: Starting with Windows 7, Microsoft is packaging its accessibility technologies under a framework called Windows Automation API. Both MSAA and UIA will be part of this framework. For older versions of Windows see KB971513.
  • Mono Accessibility Project: On November 7, 2007, Microsoft and Novell Inc., after completion of a year of their interoperability agreement, announced that they would be extending their agreement to include accessibility. Specifically, it was announced that Novell would develop an open source adapter allowing the UIA framework to work with existing Linux accessibility projects such as the Linux Accessibility Toolkit (ATK), which ships with SUSE Linux Enterprise Desktop, Red Hat Enterprise Linux and Ubuntu Linux. This would eventually make UIA cross-platform.

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