Waits for key event infinitely (delay<=0) or for "delay" milliseconds. Returns the code of the pressed key or -1 if no key were pressed until the specified timeout has elapsed.

public static int WaitKey(
	int delay
)

Public Shared Function WaitKey ( 
	delay As Integer
) As Integer

public:
static int WaitKey(
	int delay
)

static member WaitKey : 
        delay : int -> int