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 Windows SDK.

Return Value

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

Requirements

Header: afxwin.h

See Also

Reference

CWnd Class

Hierarchy Chart

CWnd::accLocation