error passing object to procedure w/ VBA in Access 2000

[Tariqc]

Ok,

I am trying to pass a Control object to a sub but I get this error on the line of the function call

Error 438: "Object doesn't support property or method"

it fails on this line

DisableControl(cmdApply)

here's the function heading

sub DisableControl(ctl as Control)
...
End Sub

can anyone provide input as to why this doesn't work?
The error it gives has me to believe that VB can't find the method in the class but I'm not trying to add a class method. I'd just like to reference the object in the procedure. Thanks