hmm - 4G delays - I may be confusing things for you....
A variable named `myListbox`of Type `ListBox1` that is set to `Me.Listbox1`, can have an invocation of hidden `Control` member `[_SetHeight]` and it will compile, but it won't run. It can have invocations of visible `Control` members such as `Height` which won't appear in Intellisense, but will compile and run.
But a variable named `myControl` of Type `Control` that is set to `Me.ListBox1`, can have invocations of both visible and hidden `Control` member such as `Height` and `[_SetHeight]` (that both *do* appear in Intellisense), **and…