Called by the framework to traverse to another user interface element within a container and if possible, retrieve the object.
virtual HRESULT accNavigate(
   long navDir,
   VARIANT varStart,
   VARIANT *pvarEndUpAt
);
Parameters
- navDir 
 Specifies the direction to navigate. See navDir in IAccessible::accNavigate in the Windows SDK.
- varStart 
 Specifies the starting object. See varStart in IAccessible::accNavigate in the Windows SDK.
- pvarEndUpAt 
 Receives information about the destination user interface object. See pvarEnd in IAccessible::accNavigate in the Windows SDK.
Return Value
Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::accNavigate 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::accNavigate in the Windows SDK.
Requirements
Header: afxwin.h