CBdemo: Visual Basic Version

'*****************************************************************************
'                                                                            *
'  CBdemo.frm                                                                *
'                                                                            *
'  This program demonstrates how to exchange information between the active  *
'  virtual buffer and the Windows clipboard.                                 *
'                                                                            *
'*****************************************************************************
Const vbWidth = 320
Const vbHeight = 200
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()
   ScaleMode = 3
   Call fg_setdc(hDC)
   hPal = fg_defpal()
   Call fg_realize(hPal)
   Call fg_vbinit
   hVB = fg_vballoc(vbWidth, vbHeight)
   Call fg_vbopen(hVB)
   Call fg_vbcolors
   Call fg_showpcx(App.Path & "\MOUSE.PCX", FG_AT_XY)
End Sub
Private Sub Form_Paint()
   Call fg_vbscale(0, vbWidth - 1, 0, vbHeight - 1, 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
Private Sub mnuCut_Click()
   Call fg_vb2clip(0, vbWidth - 1, 0, vbHeight - 1)
   Call fg_erase
   Call fg_vbscale(0, vbWidth - 1, 0, vbHeight - 1, 0, cxClient - 1, 0, cyClient - 1)
   mnuPaste.Enabled = True
End Sub
Private Sub mnuPaste_Click()
   Call fg_clip2vb(0, vbWidth - 1, 0, vbHeight - 1, 0)
   Call fg_vbscale(0, vbWidth - 1, 0, vbHeight - 1, 0, cxClient - 1, 0, cyClient - 1)
End Sub
Private Sub mnuExit_Click()
   Unload Me
End Sub