IAccessibleComponent Interface Reference

This interface is implemented by any object that can be rendered on the screen. More...

import "AccessibleComponent.idl";

List of all members.

Public Member Functions
HRESULT	locationInParent ([out] long *x,[out, retval] long *y)
	Returns the location of the upper left corner of the object's bounding box relative to the immediate parent object.
HRESULT	foreground ([out, retval] IA2Color *foreground)
	Returns the foreground color of this object.
HRESULT	background ([out, retval] IA2Color *background)
	Returns the background color of this object.

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Detailed Description

This interface is implemented by any object that can be rendered on the screen.

This interface provides the standard mechanism for an assistive technology to retrieve information concerning the graphical representation of an object. Coordinates used by the functions of this interface are specified in different coordinate systems. Their scale is the same and is equal to that of the screen coordiante system. In other words all coordinates are measured in pixels. They differ in their respective origin:

• The screen coordinate system has its origin in the upper left corner of the current screen.
• The origin of the parent coordinate system is the upper left corner of the parent's bounding box. With no parent the screen coordinate system is used instead.

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Member Function Documentation

HRESULT IAccessibleComponent::background (  [out, retval] IA2Color *  background  )

Returns the background color of this object. Parameters: [out]  background  The returned color is the background color of this object or, if that is not supported, the default background color.

HRESULT IAccessibleComponent::foreground (  [out, retval] IA2Color *  foreground  )

Returns the foreground color of this object. Parameters: [out]  foreground  The returned color is the foreground color of this object or, if that is not supported, the default foreground color.

HRESULT IAccessibleComponent::locationInParent (  [out] long *  x, [out, retval] long *  y )

Returns the location of the upper left corner of the object's bounding box relative to the immediate parent object. The coordinates of the bounding box are given relative to the parent's coordinate system. The coordinates of the returned position are relative to this object's parent or relative to the screen on which this object is rendered if it has no parent. If the object is not on any screen the returned position is (0,0). Parameters: [out]  x  [out]  y

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The documentation for this interface was generated from the following file:

• AccessibleComponent.idl

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