Programmatically Get and Set the State of the CapsLock and NumLock Keys

TIPS :: The VK_CAPITAL virtual key constant defines the Caps Lock key. The VK_NUMLOCK constant defines the Num Lock key. If you need to programmatically turn on or off the Caps Lock or Num Lock key, you can use the code provided in this tip.

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Related:

• Keyboard programming with Delphi
• Windows API programming
• Virtual Key Codes