CONTROLKEY This command will return an integer value of one if the control key is being pressed, otherwise zero is returned.
Syntax
    Return Integer=CONTROLKEY()
Returns
A one if the control key is being pressed, otherwise zero is returned
Example Code
    cls

    do

    cls

    if controlkey()=1

    print "controlkey has been pressed"

    else

    print "controlkey has not be pressed "

    endif

    loop

    end
See also
INPUT Commands Menu Index