acet-sys-keystate (AutoLISP/Express Tools)

Checks the state of a virtual key.

Supported Platforms: AutoCAD for Windows only; not available in AutoCAD LT for Windows, or on Mac OS and Web

Signature

(acet-sys-keystate keycode)

keycode

Type: Integer

Code for the virtual key to test.

Return Values

Type: Integer

Status of the specified virtual key.

• If the high-order bit is 1, the key is down; otherwise, it is up.
• If the low-order bit is 1, the key is toggled. A key, such as the CAPS LOCK key, is toggled if it is turned on. The key is off and untoggled if the low-order bit is 0. A toggle key's indicator light (if any) on the keyboard will be on when the key is toggled, and off when the key is untoggled.

Remarks

See the documentation for the GetKeyState() Win32 function for additional details.