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Called by the framework to retrieve an object's Help property string.
virtual HRESULT get_accHelp(
VARIANT varChild,
BSTR *pszHelp
);
Parameters
varChild
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).pszHelp
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.
Return Value
Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::get_accHelp in the Windows SDK.
Remarks
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 Windows SDK.
Requirements
Header: afxwin.h