'Declaration
Public MustInherit Class WorkbookBase
'Usage
Dim instance As WorkbookBase
public abstract class WorkbookBase
'Declaration
Public MustInherit Class WorkbookBase
'Usage
Dim instance As WorkbookBase
public abstract class WorkbookBase
System.Object
GrapeCity.Spreadsheet.WorkbookBase
GrapeCity.Spreadsheet.Workbook