Called by the framework to retrieve an object's Help property string.
virtual HRESULT get_accHelp( VARIANT varChild, BSTR *pszHelp );
- Specifies whether the help 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 a BSTR that receives the localized string containing the help information for the specified object, or NULL if no help information is available.
Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::get_accHelp in the Platform SDK.
This function is part of MFC's Active Accessibility support.
Override this function in your CWnd-derived class to provide help text for your object.
For more information, see IAccessible::get_accHelp in the Platform SDK.