Emgu CV Library Documentation
ClearHistogram Method
NamespacesEmgu.CV.UIHistogramCtrlClearHistogram()()()

www.emgu.com/wiki
Remove all the histogram from the control. You should call the Refresh() function to update the control after all modification is complete.
Declaration Syntax
C#Visual BasicVisual C++
public void ClearHistogram()
Public Sub ClearHistogram
public:
void ClearHistogram()

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