Passing parameters to Render()

hi all, am a beginner in using directx... i wanna ask abt smthing now am using a class called Engine, i made 3 devices in it, coz i wanna make w device 4 perspective camera, n one 4 top view cam and the third one 4 side view camera... now my question is "Can i pass parameters to the Render() fn??" as am passing to it a variable of type "Form", n if the form is the top view one.. i use the top view device, and if its the side view i use the side view device.. and so on hope u get wat i mean.. n hope one of u can answer my question thanx all in advance :) bye..