For even more details :) see "Visual FoxPro Callback Design" portion of Calvin Hsia's article "Microsoft Visual FoxPro and Advanced COM"
http://msdn.microsoft.com/library/en-us/dnfoxgen7/html/vfpandcom.asp


>VFP doesn't support callback functions. For more details see
>http://fox.wikis.com/wc.dll?Wiki~CallbacksAndEvents~WIN_COM_DNA.
>
>>Some API's need to receive Call Back functions as parameter, In Visual basic this seems not to be a problem, you use the addressof operator but, how do I do that in VFP7?