CWnd::accNavigate

Статья
10/16/2008

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
);

Параметры

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.

Возвращаемое значение

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

Заметки

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.