Num Lock Key Clipart Pictures. Number lock key pads are a feature that has been built into ms compatible keyboards for decades. On this keyboard num lk is main.
Below is a clipart of a num lock key that you can download and use in your technical documents.
And do not forget to include winable.h, not winuser.h as msdn says. It cannot toggle the num lock key. This sample program will give you a confirmation message as to whether the num lock is on or off, and sendkeys ^{home}, true was turning off the num lock so i just repeated the command and it turns. I've just realised i have an application that uses it all the time.