def ScreenCapture(x, y, width, height):
from UnmanagedCode import User32, GDI32
from System.Drawing import Bitmap, Image
hdcSrc = User32.GetWindowDC(User32.GetDesktopWindow())
hdcDest = GDI32.CreateCompatibleDC(hdcSrc)
hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height)
GDI32.SelectObject(hdcDest, hBitmap)
# 0x00CC0020 is the magic number for a copy raster operation
GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, x, y, 0x00CC0020)
result = Bitmap(Image.FromHbitmap(hBitmap))
User32.ReleaseDC(User32.GetDesktopWindow(), hdcSrc)
GDI32.DeleteDC(hdcDest)
GDI32.DeleteObject(hBitmap)
return result
