Question

所以我有以下代码：

import win32gui
import win32ui
from ctypes import windll
from PIL import Image

hwnd = win32gui.FindWindow(None, "#chat - Discord")

# Change the line below depending on whether you want the whole window
# or just the client area. 
left, top, right, bot = win32gui.GetClientRect(hwnd)
#left, top, right, bot = win32gui.GetWindowRect(hwnd)
w = right - left
h = bot - top

hwndDC = win32gui.GetWindowDC(hwnd)
mfcDC  = win32ui.CreateDCFromHandle(hwndDC)
saveDC = mfcDC.CreateCompatibleDC()

saveBitMap = win32ui.CreateBitmap()
saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)

saveDC.SelectObject(saveBitMap)

# Change the line below depending on whether you want the whole window
# or just the client area. 
result = windll.user32.PrintWindow(hwnd, saveDC.GetSafeHdc(), 1)
#result = windll.user32.PrintWindow(hwnd, saveDC.GetSafeHdc(), 0)


bmpinfo = saveBitMap.GetInfo()
bmpstr = saveBitMap.GetBitmapBits(True)

im = Image.frombuffer(
    'RGB',
    (bmpinfo['bmWidth'], bmpinfo['bmHeight']),
    bmpstr, 'raw', 'BGRX', 0, 1)

if result:
    #PrintWindow Succeeded
    im.show()

win32gui.DeleteObject(saveBitMap.GetHandle())
saveDC.DeleteDC()
mfcDC.DeleteDC()
win32gui.ReleaseDC(hwnd, hwndDC)

问题在于它所截取的屏幕截图全是黑色。它适用于所有窗口，而不仅仅是Discord。它有什么问题，我需要怎么做才能解决？

还有一个附带的问题-当我截取屏幕截图时，命令提示符将打开，然后迅速关闭，是否还有一种方法可以阻止这种情况发生？

使用Python拍摄的屏幕截图完全是黑色的

0 个答案: