'宣言
Public Interface ICanvasArcPathCommand Inherits IArcPathCommand, GrapeCity.DataVisualization.Chart.ICloneable(Of IPathCommand), GrapeCity.DataVisualization.Chart.IEquatable(Of IPathCommand), IPathCommand
public interface ICanvasArcPathCommand : IArcPathCommand, GrapeCity.DataVisualization.Chart.ICloneable<IPathCommand>, GrapeCity.DataVisualization.Chart.IEquatable<IPathCommand>, IPathCommand