im not sure that this will work, but a simple way would be to set it as a variable first. Im not sure if this is what you are asking, but you could just define a global variable frmStartUpForm as Form.

and just put frmStartUpForm = form1.(form?)
i dont knoe if you need the form at the ened but hey you might. ive never had the need to do this but that will probably work

and then when you want to activate it just do frmStartUpForm.show. or load frmStartUpForm i think may work also, but you may have to tweak the code some to get it to work.