Voluntary Product Accessibility Template Page 3
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19features are developed and
documented according to industry
standards. Applications also shall
not disrupt or disable activated
features of any operating system
that are identified as accessibility
features where the application
programming interface for those
accessibility features has been
documented by the manufacturer of
the operating system and is
available to the product developer.
(c) A well-defined on-screen
indication of the current focus shall
be provided that moves among
interactive interface elements as the
input focus changes. The focus
shall be programmatically exposed
so that Assistive Technology can
track focus and focus changes.
(d) Sufficient information about a
user interface element including the
identity, operation and state of the
element shall be available to
Assistive Technology. When an
image represents a program
element, the information conveyed
by the image must also be available
in text.
(e) When bitmap images are used
to identify controls, status indicators,
or other programmatic elements, the
meaning assigned to those images
shall be consistent throughout an
application's performance.
(f) Textual information shall be
provided through operating system
functions for displaying text. The
minimum information that shall be
made available is text content, text
input caret location, and text
attributes.
(g) Applications shall not override
user selected contrast and color
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