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
Const SRCCOPY = &HCC0020
Private Sub Command1_Click()
a = BitBlt(Picture1.hDC, 10, 10, 100, 50, Picture2.hDC, 0, 0, SRCCOPY)
End Sub