public static extern int WriteConsoleOutput(IntPtr hConsoleOutput, ref CHAR_INFO lpBuffer, COORD dwBufferSize,
COORD dwBufferCoord, ref SMALL_RECT lpWriteRegion);
public static extern int ScrollConsoleScreenBuffer(IntPtr hConsoleOutput, ref SMALL_RECT lpScrollRectangle,
ref SMALL_RECT lpClipRectangle, COORD dwDestinationOrigin, ref CHAR_INFO lpFill);