Emgu CV Library Documentation
nChannels Field
NamespacesEmgu.CVMIplImagenChannels

www.emgu.com/wiki
Most of OpenCV functions support 1,2,3 or 4 channels
Declaration Syntax
C#Visual BasicVisual C++
public int nChannels
Public nChannels As Integer
public:
int nChannels

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)