FirstDD: Visual Basic Version

'*****************************************************************************
'                                                                            *
'  FirstDD.frm                                                               *
'                                                                            *
'  This is a version of the first Fastgraph for Windows example program      *
'  modified for use as a DirectDraw windowed application.                    *
'                                                                            *
'*****************************************************************************
Dim hPal As Long
Dim hVB As Long
Dim cxClient As Long, cyClient As Long
Private Sub Form_Activate()
   Call fg_realize(hPal)
   Refresh
End Sub
Private Sub Form_Load()
   Dim bpp As Long
   ScaleMode = 3
   Call fg_setdc(hDC)
   hPal = fg_defpal()
   Call fg_realize(hPal)
   Visible = True
   Call fg_vbinit
   bpp = fg_colors()
   Call fg_vbdepth(bpp)
   hVB = fg_vballoc(640, 480)
   Call fg_vbopen(hVB)
   Call fg_vbcolors
   If bpp > 8 Then
      Call fg_setcolorrgb(85, 85, 255)
   Else
      Call fg_setcolor(19)
   End If
   Call fg_fillpage
End Sub
Private Sub Form_Paint()
   Call fg_vbscale(0, fg_getmaxx(), 0, fg_getmaxy(), 0, cxClient - 1, 0, cyClient - 1)
End Sub
Private Sub Form_Resize()
   cxClient = ScaleWidth
   cyClient = ScaleHeight
   Refresh
End Sub
Private Sub Form_Unload(Cancel As Integer)
   Call fg_vbclose
   Call fg_vbfree(hVB)
   Call fg_vbfin
End Sub