officefileapi-devexpress-dot-spreadsheet-dot-functions-b9551ac4.md
A collection of custom functions in a workbook.
Namespace : DevExpress.Spreadsheet.Functions
Assembly : DevExpress.Spreadsheet.v25.2.Core.dll
NuGet Package : DevExpress.Spreadsheet.Core
public interface CustomFunctionCollection :
ICollection<ICustomFunction>,
IEnumerable<ICustomFunction>,
IEnumerable
Public Interface CustomFunctionCollection
Inherits ICollection(Of ICustomFunction),
IEnumerable(Of ICustomFunction),
IEnumerable
The following members return CustomFunctionCollection objects:
The CustomFunctionCollection object is available via the IWorkbook.CustomFunctions or the IWorkbook.GlobalCustomFunctions properties.
To add a custom function to a workbook, implement the ICustomFunction interface, instantiate the object and add it to the CustomFunctionCollection collection.
See Also