win32ui.error: CreateCompatibleDC failed

原创已于 2022-11-29 09:50:37 修改 · 4.1k 阅读

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#python #开发语言

于 2018-10-14 16:14:16 首次发布

while trying to reproduce codes on PoE AI Part 4: Real-time Screen Capture and Plumbing, i encountered an error like this :

PS E:\tmp\game_assistant> python .\SSTime.py
Exception in thread Thread-1:
Traceback (most recent call last):
File “D:\Program Files\Anaconda3\lib\threading.py”, line 914, in _bootstrap_inner
self.run()
File “D:\Program Files\Anaconda3\lib\threading.py”, line 862, in run
self._target(*self._args, **self._kwargs)
File “E:\tmp\game_assistant\ScreenViewer.py”, line 114, in ScreenUpdateT
self.i1 = self.GetScreenImg()
File “E:\tmp\game_assistant\ScreenViewer.py”, line 69, in GetScreenImg
dataBitMap.CreateCompatibleBitmap(dcObj, w, h)
win32ui.error: CreateCompatibleDC failed

it is due to minimizing window, that is to say:

TLDR
TLDR
TLDR
you should unminimizing the required window, then the codes will run sucessfully.
TLDR
TLDR
TLDR

PS:

elasped time using two screen capture methods on my own pc:

direct method : 0.03 ~ 0.05 s

author’s method : 0.006 ~0.011 s