>Hi
>
>I don't know about callback, but I found this once regarding pointer, and did not make search on it
>
>The pointer is simply a memory address (integer) for a variable or object
>
>Try this, and let me know if that works with you.
>

>Declare INTEGER VarPtr IN "msvbvm50.dll" As "VarStrToPtr" String @var
>Declare INTEGER VarPtr IN "msvbvm50.dll" As "VarNumToPtr" Integer @var
>Declare INTEGER VarPtr IN "msvbvm50.dll" As "VarObjToPtr" Object @var
>
>cName = "S"
>ptr = VarStrToPtr(cName)
>? ptr && 57831008
>
>nNum = 1000
>ptr = VarNumToPtr(nNum)
>? ptr &&  1241216
>
>oObj = createobject("Session")
>ptr = VarObjToPtr(oObj)
>? ptr
>

Yeah, but you can't use:

ptr = Var...ToPtr("SomeFunctionName")
? ptr

isn't it?