'宣言
Public MustInherit Class _ArcPathCommand Implements IArcPathCommand, GrapeCity.DataVisualization.Chart.ICloneable(Of IPathCommand), GrapeCity.DataVisualization.Chart.IEquatable(Of IPathCommand), IPathCommand
public abstract class _ArcPathCommand : IArcPathCommand, GrapeCity.DataVisualization.Chart.ICloneable<IPathCommand>, GrapeCity.DataVisualization.Chart.IEquatable<IPathCommand>, IPathCommand