How to determine whether small keyboard digital NUM lock key switch?

thank you

CodePudding user response:

Add # include & lt; Windows. H>
Then use: BOOL b=GetKeyState (VK_NUMLOCK); To judge, if b is 1 is opened, zero is not opened

CodePudding user response:

GetKeyboardState

 
BYTE keyState [256]={0}; 
If (GetKeyboardState (keyState)) 
{
BYTE bNumLock=keyState [VK_NUMLOCK]; 
TRACE (_T (" VK_NUMLOCK 02 x=% \ n "), bNumLock); 
}