Private Declare Function GetDC Lib "user32" (ByVal hwnd 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
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Sub Command1_Click()
hSrc = GetDesktopWindow
hdcSrc = GetDC(hSrc)
BitBlt Picture1.hDC, 0, 0, 1024, 768, hdcSrc, 0, 0, &HCC0020
Picture1.Refresh
End Sub