'宣言
Public Interface IRectangleShape Inherits GrapeCity.DataVisualization.Chart.ICloneable(Of IShape), GrapeCity.DataVisualization.Chart.IEquatable(Of IShape), IQueryInterface, IShape
public interface IRectangleShape : GrapeCity.DataVisualization.Chart.ICloneable<IShape>, GrapeCity.DataVisualization.Chart.IEquatable<IShape>, IQueryInterface, IShape