Acquires key status.

int AIT_GetKeyState  (
  integer nVirtualKey    // Virtual key
); 

nVirtualKey (input)

Specify a virtual key code whose key status you want to acquire.

You have to set one of the following values.

Value	Description
NUMLOCK	Num Lock key
SCROLLLOCK	Scroll Lock key
CAPSLOCK	Caps Lock key

The return value is 1 if the key is on, and 0 if it is off. The return value is -1 if the function has not been executed successfully.

If the function has returned -1, you can use AIT_GetLastError to acquire an extended code. The following gives the error code that AIT_GetLastError may return.

Extended error number	Error code
87	ERROR_INVALID_PARAMETER