Called by the framework to retrieve the value of the specified object.
Specifies whether the value information to be retrieved is that of the object or one of the object's child elements. This parameter can be either CHILDID_SELF (to obtain information about the object) or a child ID (to obtain information about the object's child element).
Address of the BSTR that receives a localized string containing the object's current value.
Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::get_accValue in the Platform SDK.
This function is part of MFC'ssupport.
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::get_accValue in the Platform SDK.