'Functions arguments.'

def _set_argtypes(self):

    self.MONITORENUMPROC = WINFUNCTYPE(INT, DWORD, DWORD, POINTER(RECT), DOUBLE)
    windll.user32.GetSystemMetrics.argtypes = [INT]
    windll.user32.EnumDisplayMonitors.argtypes = [HDC, c_void_p, self.MONITORENUMPROC, LPARAM]
    windll.user32.GetWindowDC.argtypes = [HWND]
    windll.gdi32.CreateCompatibleDC.argtypes = [HDC]
    windll.gdi32.CreateCompatibleBitmap.argtypes = [HDC, INT, INT]
    windll.gdi32.SelectObject.argtypes = [HDC, HGDIOBJ]
    windll.gdi32.BitBlt.argtypes = [HDC, INT, INT, INT, INT, HDC, INT, INT, DWORD]
    windll.gdi32.DeleteObject.argtypes = [HGDIOBJ]
    windll.gdi32.GetDIBits.argtypes = [HDC, HBITMAP, UINT, UINT, c_void_p, POINTER(BITMAPINFO), UINT]
