This link talks about ways to calculate the .Left and .Top parameters to display forms on other screens. You do not want to communicate directly with a VGA driver - your software will only work with 1 type of device with 1 type of driver hense the abstraction through things like GDI and DirectDraw.
For Each ctrl As Control In Me.Controls("pnlMainPanel").Controls
If ctrl.GetType Is GetType(System.Windows.Forms.Panel) Then
For Each subCtrl As Control In ctrl.Controls
If subCtrl.GetType Is GetType(System.Windows.Forms.TextBox) Then
If subCtrl.GetType Is ...