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CWnd::accHitTest

Called by the framework to retrieve the child element or child object at a given point on the screen.

virtual HRESULT accHitTest(
   long xLeft,
   long yTop,
   VARIANT *pvarChild
);

Parameters

xLeft
X-coordinate of the point to be hit tested (in screen units).
yTop
Y-coordinate of the point to be hit tested (in screen units).
pvarChild
Receives information identifying the object at the point specified by xLeft and yTop. See pvarID in IAccessible::accHitTest in the Platform SDK.

Return Value

Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::accHitTest in the Platform SDK.

Remarks

This function is part of MFC's Active Accessibility support.

Override this function in your CWnd-derived class if you have nonwindowed user interface elements (other than windowless ActiveX controls, which MFC handles).

For more information, see IAccessible::accHitTest in the Platform SDK.

See Also

CWnd Overview | Class Members | Hierarchy Chart | CWnd::accLocation

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