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comp / comp.lang.python / win32clipboard writing to clipboard on Windows 11

Subject: win32clipboard writing to clipboard on Windows 11
From: Rob Cliffe
Newsgroups: comp.lang.python
Date: Mon, 17 Jun 2024 19:27 UTC
References: 1

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From: rob.cliffe@btinternet.com (Rob Cliffe)
Newsgroups: comp.lang.python
Subject: win32clipboard writing to clipboard on Windows 11
Date: Mon, 17 Jun 2024 20:27:51 +0100
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Recently I acquired a new laptop running WIndows 11; my previous one
uses WIndows 10. I encountered a strange problem:
I am using the win32clipboard backage (part of pywin32), and when I use
SetClipboardData() to write text which consists ***entirely of digits***
to the clipboard, I either get an error (not always the same error
message) or a program crash. The problem does not appear if I use
SetClipboardText() instead. The problem does not occur on my old
machine (where I used the feature extensively).

Sample program:

from win32clipboard import *
OpenClipboard()
SetClipboardData(CF_UNICODETEXT, "A")
SetClipboardData(CF_UNICODETEXT, "A0")
SetClipboardData(CF_UNICODETEXT, "0A")
SetClipboardText("0", CF_UNICODETEXT)
print("OK so far")
SetClipboardData(CF_UNICODETEXT, "0")
CloseClipboard()

Sample output:

OK so far
Traceback (most recent call last):
File "C:\TEST*.PY", line 8, in <module>
SetClipboardData(CF_UNICODETEXT, "0")
pywintypes.error: (0, 'SetClipboardData', 'No error message is available')

Can anyone shed light on this?
Best wishes
Rob Cliffe

Subject	Author
win32clipboard writing to clipboard on Windows 11	Rob Cliffe