Spread Windows Forms 12.0 Product Documentation
IsUndefined Method (ExternalVariable)


GrapeCity.Spreadsheet Assembly > GrapeCity.Spreadsheet Namespace > ExternalVariable Class : IsUndefined Method
Determines whether this external variable is undefined.
Syntax
'Declaration
 
Public Function IsUndefined() As Boolean
'Usage
 
Dim instance As ExternalVariable
Dim value As Boolean
 
value = instance.IsUndefined()
public bool IsUndefined()

Return Value

true if this external variable is undefined; otherwise, false.
See Also

Reference

ExternalVariable Class
ExternalVariable Members