'Declaration
Public MustInherit Class NChartFormat Inherits Nevron.Nov.Dom.NDocumentFormat(Of NChartDocument,NChartLoadSettings,NChartSaveSettings)
'Usage
Dim instance As NChartFormat
public abstract class NChartFormat : Nevron.Nov.Dom.NDocumentFormat<NChartDocument,NChartLoadSettings,NChartSaveSettings>