Function UAZoomChangeFocus 

pub unsafe extern "C-unwind" fn UAZoomChangeFocus(
    in_rect: *const CGRect,
    in_highlight_rect: *const CGRect,
    in_type: UAZoomChangeFocusType,
) -> u32

Available on crate feature UniversalAccess only.

Tells the Universal Access zoom feature where it should focus.

This function tells Universal Access the frame of the element in focus and the part of the element that should be in focus.

Parameter inRect: The frame of the element in focus, in global 72-dot-per-inch (dpi) coordinates.

Parameter inHighlightRect: The frame of the highlighted part of the element in focus, in global 72 dpi coordinates. If the whole element is in focus, and not just a smaller part of it, pass the inRect parameter and pass NULL for inHighlightRect .

Parameter inType: A value of type

 UAZoomChangeFocusType UAZoomChangeFocusType

.

Returns: Returns noErr if there were no problems, if Universal Access Zoom is zoomed all the way out, or if the feature is off; returns paramErr if inRect is NULL or if inType is out of range. Availability: Available in Mac OS X v10.4 and later (not available in CarbonLib 1.x and not available for nonCarbon CFM).

Safety

• in_rect must be a valid pointer.
• in_highlight_rect must be a valid pointer.