Emgu CV Library Documentation
FindContours Method (method, type)
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)FindContours(CHAIN_APPROX_METHOD, RETR_TYPE)

www.emgu.com/wiki
Find contours
Declaration Syntax
C#Visual BasicVisual C++
public Contour<Point> FindContours(
	CHAIN_APPROX_METHOD method,
	RETR_TYPE type
)
Public Function FindContours ( _
	method As CHAIN_APPROX_METHOD, _
	type As RETR_TYPE _
) As Contour(Of Point)
public:
Contour<Point>^ FindContours(
	CHAIN_APPROX_METHOD method, 
	RETR_TYPE type
)
Parameters
method (CHAIN_APPROX_METHOD)
The type of approximation method
type (RETR_TYPE)
The retrival type
Return Value
Contour if there is any; null if no contour is found

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