GetKeyState("CapsLock", "P") stopped working

[krl]

I've been using this script for years. I used it to replace сapslock to left mouse button. Now it has stopped working correctly, instead of a long press, multiple presses are sent.

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#SingleInstance, Force
CapsLock::
	SetKeyDelay 0
	SetMouseDelay 0
	MouseClick, left,,, 1, 0, D
	Loop {
		Sleep, 5
		if !GetKeyState("CapsLock", "P") 
			break
	}
	MouseClick, left,,, 1, 0, U  
	

I looked at the history of the keys, everything looks as usual.
14 03A d 0.31 CapsLock
14 03A d 0.26 CapsLock
14 03A d 0.03 CapsLock
14 03A d 0.03 CapsLock
14 03A d 0.03 CapsLock
14 03A d 0.03 CapsLock
14 03A u 0.03 CapsLock
74 03F d 0.19 F5
74 03F u 0.14 F5
33 004 d 0.94 3
33 004 d 0.25 3
33 004 d 0.03 3
33 004 d 0.03 3
33 004 d 0.03 3
33 004 u 0.01 3


I started researching and found out that GetKeyState now always returns 0. Although for any other key everything works fine.

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#SingleInstance, Force
CapsLock::
3::
    text := GetKeyState(A_ThisHotkey, "P") . " " . GetKeyState(A_ThisHotkey) . " """ . A_ThisHotkey . """"
    OutputDebug % text
return

Output for "CapsLock":
0 0 "CapsLock"

For "3":
0 1 "3"

I can’t yet understand what happened and how to fix it.

[boiler]

@krl — We keep having to disapprove duplicate posts of yours. Posts by new members (in terms of number of posts) must be approved before they appear. Please be patient and don’t post the same content again. Thank you.

[krl]

More clear question.
Why now

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3::GetKeyState("3")

returns "1", but

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CapsLock::GetKeyState("CapsLock")

returns "0"

[boiler]

Because you're not specifying what you are looking for. CapsLock is one of the keys that has a toggle state. If you want to know its physical state instead of its toggle state, then you need to specify that. The following returns 1:

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CapsLock::MsgBox, % GetKeyState("CapsLock", "P")

[krl]

Because you're not specifying what you are looking for. CapsLock is one of the keys that has a toggle state.[/code]

I'm interested in the logical state of the capslock key press. I didn't find in the documentation that capslock doesn't show state logic when it's pressed. Based on this, I thought

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GetKeyState("CapsLock")

should return "1" under normal conditions.