David,

Given the limitations of VARTYPE handling object containership I'm still using this IsObject() udf:

* IsObject.prg
lparameter roObject

return( ( type( "m.roObject" ) == 'O' ) and ( ! isnull( m.roObject ) ) )

It's plenty fast for me.

>Good point! And ActiveX components too.
>
>Tell me Dave, now that there's VARTYPE() which I think returns 'X' for a null object type, what's the best/fastest solution?