BitBlt(hdcDest, x, y, width, height, hdcSrc, nXSrc, nYSrc, dwRop)
Performs a bit-block transfer of the color data corresponding
to a rectangle of pixels from the specified source device context into a
destination device context.
Parameters
hdcDest : int
handle to destination DCx : int
x-coord of destination upper-left cornery : int
y-coord of destination upper-left cornerwidth : int
width of destination rectangleheight : int
height of destination rectanglehdcSrc : int
handle to source DCnXSrc : int
x-coordinate of source upper-left cornernYSrc : int
y-coordinate of source upper-left cornerdwRop : int
raster operation code