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import "objidl.idl";
import "oaidl.idl";
import "oleacc.idl";
import "Accessible2_2.idl";
/**
* This structure represents a directional range of the content. It is defined
* by two points in the content, where each one is defined by an accessible
* object and an offset relative to it. A typical case of a range point is
* a text accessible and text offset within it.
*
* The "anchor" is one point of the range and typically remains constant.
* The other point is the "active" point, which typically corresponds to
* the user's focus or point of interest. The user moves the active point to
* expand or collapse the range. In most cases, anchor is the start of the range
* and active is the end. However, in case of selection, when selecting
* backwards (e.g. pressing shift+left arrow in a text field), the start of
* the range is the active point, as the user moves this to manipulate
* the selection.
*/
typedef struct IA2Range {
IUnknown* anchor;
long anchorOffset;
IUnknown* active;
long activeOffset;
} IA2Range;
/**
* @brief This interface is an extension of IAccessible2_2 and IAccessible2
* interfaces.
*/
[object, uuid(5BE18059-762E-4E73-9476-ABA294FED411)]
interface IAccessible2_3 : IAccessible2_2
{
/**
* @brief Returns an array of ranges for selections within the accessible.
* @param [out] the array of selection ranges
* @param [out] the array length
* @retval S_OK
* @retval S_FALSE returned if there is no selection within the accessible
*/
[propget] HRESULT selectionRanges
(
[out, size_is(,*nRanges)] IA2Range **ranges,
[out, retval] long *nRanges
);
}
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