Emgu CV Library Documentation
AddHistogram Method (name, color, histogram)
NamespacesEmgu.CV.UIHistogramCtrlAddHistogram(String, Color, Histogram)

www.emgu.com/wiki
Add a plot of the 1D histogram. You should call the Refresh() function to update the control after all modification is complete.
Declaration Syntax
C#Visual BasicVisual C++
public void AddHistogram(
	string name,
	Color color,
	Histogram histogram
)
Public Sub AddHistogram ( _
	name As String, _
	color As Color, _
	histogram As Histogram _
)
public:
void AddHistogram(
	String^ name, 
	Color color, 
	Histogram^ histogram
)
Parameters
name (String)
The name of the histogram
color (Color)
The drawing color
histogram (Histogram)
The 1D histogram to be drawn

Assembly: Emgu.CV.UI (Module: Emgu.CV.UI) Version: 1.0.0.0 (1.0.0.0)