Creating an MFC ActiveX Control http://msdn.microsoft.com/library/en-us/vccore/html/vcurfCreatingMFCActiveXControlProject.asp?frame=trueATL Tree Control and OLE DB http://www.codeguru.com/atl/ATLTree.shtmlalso see ActiveX Programming http://www.codeguru.com/activex/index.shtml
http://msdn.microsoft.com/library/en-us/vccore/html/vcurfCreatingMFCActiveXControlProject.asp?frame=trueATL Tree Control and OLE DB
http://www.codeguru.com/atl/ATLTree.shtmlalso see
ActiveX Programming
http://www.codeguru.com/activex/index.shtml