# GrapeCity.Documents.Excel.Expressions.WorkbookReference ## Content

WorkbookReference Class

Represents a reference to an external workbook. This class is immutable.

WorkbookReference

public sealed class WorkbookReference : IEquatable<WorkbookReference>

Public NotInheritable Class WorkbookReference
    Implements IEquatable(Of WorkbookReference)

Name	Description
BaseDirectory	The base directory that contains workbook. If the value is not null (`Nothing`), Name is the file name of workbook. If the value is empty, the path is the root directory.
BaseUri	The base uri that contains workbook. If the value is not null (`Nothing`), Name is the file name of workbook. For example, the base uri of https://www.grapecity.com/file/example.xlsx is https://www.grapecity.com/file . The file name is example.xlsx .
Name	The name of the workbook. If the BaseDirectory is not null (`Nothing`), represents the file name of the workbook.

Name	Description
Equals(WorkbookReference)	Check if the workbook reference equals to another.
Equals(object)	Check if the workbook reference equals to another.
FromFilePath(string)	Creates a workbook reference from file path.
FromName(string)	Creates a workbook reference from workbook name.
FromUri(string)	Creates a workbook reference from a URI link to workbook.
GetHashCode()	Gets hash code of the workbook reference.
ToString()	Converts workbook reference to string.