' Benötigte API-Deklarationen
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal hDC _
  As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal X As _
Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal _
hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As _
Long

Dim hWndScreen As Long
Dim hDCScreen As Long
 
hWndScreen = GetDesktopWindow
hDCScreen = GetDC(hWndScreen)
BitBlt Picture1.hDC, 0, 0, Picture1.Width, Picture1.Height, hDCScreen, [X1], _
  [Y1], vbSrcCopy
ReleaseDC hWndScreen, hDCScreen