Emgu CV Library Documentation
cvWaitKey Method (delay)
NamespacesEmgu.CVCvInvokecvWaitKey(Int32)

www.emgu.com/wiki
Waits for key event infinitely (delay <= 0) or for "delay" milliseconds.
Declaration Syntax
C#Visual BasicVisual C++
public static int cvWaitKey(
	int delay
)
Public Shared Function cvWaitKey ( _
	delay As Integer _
) As Integer
public:
static int cvWaitKey(
	int delay
)
Parameters
delay (Int32)
Delay in milliseconds.
Return Value
The code of the pressed key or -1 if no key were pressed until the specified timeout has elapsed

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.5.0.0 (1.5.0.0)