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Option Explicit

Private Declare Function SendMessage Lib "user32.dll" Alias _
   "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, _
   ByVal wParam As Long, ByVal lParam As Long) As Long

Private Const WM_PAINT = &HF
Private Const WM_PRINT = &H317
Private Const PRF_CLIENT = &H4&    ' Draw the window's client area
Private Const PRF_CHILDREN = &H10& ' Draw all visible child
Private Const PRF_OWNED = &H20&    ' Draw all owned windows

'Note - Box could also be a Form, if desired.
Public Sub PrintPictureBox(Box As PictureBox, _
                        Optional X As Single = 0, _
                        Optional Y As Single = 0)
Dim rv As Long
Dim ar As Boolean
  
    On Error GoTo Exit_Sub
  
    With Box
        'Save ReDraw value
        ar = .AutoRedraw
  
        'Set persistance
        .AutoRedraw = True
    
        'Wake up printer
        Printer.Print
    
        'Draw controls to picture box
        rv = SendMessage(.hwnd, WM_PAINT, .hDC, 0)
        rv = SendMessage(.hwnd, WM_PRINT, .hDC, _
            PRF_CHILDREN Or PRF_CLIENT Or PRF_OWNED)
    
        'Refresh image to picture property
        .Picture = .Image
    
        'Copy picture to Printer
        Printer.PaintPicture .Picture, X, Y
        Printer.EndDoc
    
        'Restore backcolor  (Re-load picture if picture was used)
        Box.Line (0, 0)-(.ScaleWidth, .ScaleHeight), .BackColor, BF
    
        'Restore ReDraw
        .AutoRedraw = ar
    End With
  
Exit_Sub:
    If Err.Number Then MsgBox Err.Description, vbOKOnly, "Printer Error!"
  
End Sub

'USAGE - Add a picture box and a command button to a new form.
'        Add various controls to the picture box.
'        Run this code, and press the button to print.
Private Sub Command1_Click()
    PrintPictureBox Picture1, 1000, 1000
End Sub