![]() ![]() ![]() Microsoft Active Accessibility offers a single Component Object Model (COM) interface with a fixed, small set of properties. ![]() However, Microsoft Active Accessibility refers to the application or control offering the UI for accessibility as the server, while UI Automation refers to this as the provider. Both refer to the accessibility tool or software automation program as the client. Microsoft Active Accessibility represents individual UI elements as accessible objects, and UI Automation represents them as automation elements. Developers of accessibility tools can use this information to create software that makes applications running on Windows more accessible to people with vision, hearing, or motion disabilities.īoth Microsoft Active Accessibility and UI Automation expose the UI object model as a hierarchical tree, rooted at the desktop. The purpose of both technologies is to expose rich information about the UI elements used in Windows applications. Existing Microsoft Active Accessibility ImplementationsĪlthough Microsoft Active Accessibility and UI Automation are two different technologies, the basic design principles are similar.Choosing Microsoft Active Accessibility, UI Automation, or IAccessibleEx. ![]()
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