System.Object
GrapeCity.Spreadsheet.Drawing.DrawingObject
GrapeCity.Spreadsheet.Drawing.Shape
GrapeCity.Spreadsheet.Drawing.CellNote
GrapeCity.Spreadsheet.Drawing.ConnectionShape
GrapeCity.Spreadsheet.Drawing.GraphicFrame
GrapeCity.Spreadsheet.Drawing.GroupShape
GrapeCity.Spreadsheet.Drawing.Picture