为什么全屏之后一直闪 - Project1

GWL_STYLE = -16
WS_BORDER = 0x800000
SWP_SHOWWINDOW = 0x40
PELSHEIGHT = 0x100000
PEDTH = 0x80000
##BITSPERPEL = 0x40000
##DISPLAYFREQUENCY = 0x400000
CDS_TEST = 0x1
def get_devmode
device_name = ["\0" * 32].pack("a*")
spec_version = [0].pack("I")
driver_version = [0].pack("I")
size = [0].pack("I")
driver_extra = [0].pack("I")
fields = [PELSHEIGHT|PEDTH].pack("Q")##PELSHEIGHT|PEDTH
orientation = [0].pack("I")
paper_size = [0].pack("I")
paper_length = [0].pack("I")
paper_width = [0].pack("I")
scale = [0].pack("I")
copies = [0].pack("I")
default_source = [0].pack("I")
print_quality = [0].pack("I")
color = [0].pack("I")
duplex = [0].pack("I")
y_resolution = [0].pack("I")
tt_option = [0].pack("I")
collate = [0].pack("I")
form_name = ["\0" * 32].pack("a*")
unused_padding = [0].pack("I")
bits_per_pel = [32].pack("I")##32
pedth = [800].pack("Q")##1024
pels_height = [600].pack("Q")##768
display_flags = [0].pack("Q")
display_frequency = [75].pack("Q")##75
string = device_name + spec_version + driver_version + size + driver_extra + fields + orientation + paper_size + paper_length + paper_width + scale + copies + default_source + print_quality + color + duplex + y_resolution + tt_option + collate + form_name + unused_padding + bits_per_pel + pedth + pels_height + display_flags + display_frequency
return string
end
GetForegroundWindow = Win32API.new ('user32', 'GetForegroundWindow', '', 'l')
EDS = Win32API.new('user32', 'EnumDisplaySettingsA', 'plp', 'l')
CDS = Win32API.new('user32', 'ChangeDisplaySettingsA', 'pl', 'l')
##GetWindowLong = Win32API.new('user32', 'GetWindowLongA', 'pl', 'l')
SetWindowLong = Win32API.new('user32', 'SetWindowLongA', 'pll', 'l')
SetWindowPos = Win32API.new('user32', 'SetWindowPos', 'lliiiii', 'i')
def handel
return GetForegroundWindow.call()
end
##p GetWindowLong.call(handel, GWL_STYLE)
##Graphics.resize_screen(640,480)
devmode = get_devmode
EDS.call("", 0, devmode)
CDS.call(devmode, CDS_TEST)
SetWindowLong.call(handel, GWL_STYLE, WS_BORDER)
SetWindowPos.call(handel, -1, 0, 0, 1200, 800, SWP_SHOWWINDOW)

复制代码