<shameless plug>You might have better luck getting the status with Win32::KeyState.</shameless plug>

use Win32::GuiTest qw(SendKeys);
use Win32::KeyState qw(:get);
SendKeys("{CAPS}") if GetCapsLock();

[download]

Note: On Win9x systems, you cannot use SendKeys to turn on or off NumLock and you might have problems with ScrollLock and CapsLock.

In reply to Re: Caps Lock problem @ SendKeys method in Win32::GuiTest module by Mr. Muskrat
in thread Caps Lock problem @ SendKeys method in Win32::GuiTest module by banduwgs

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