officefileapi-devexpress-dot-spreadsheet-dot-functions-480e2652.md
Lists parameter attributes.
Namespace : DevExpress.Spreadsheet.Functions
Assembly : DevExpress.Spreadsheet.v25.2.Core.dll
NuGet Package : DevExpress.Spreadsheet.Core
public enum ParameterAttributes
Public Enum ParameterAttributes
| Name | Description |
|---|---|
Required |
The parameter is mandatory. A missing parameter results in a user warning dialog.
|
| Optional |
The parameter is not required. If it is missing, the function still compiles and evaluates. Note that optional parameters should come after all required parameters.
|
| OptionalUnlimited |
Any number of parameters which are not required. Note that the total number of parameters should not exceed 255 and the optional unlimited parameter should be the final parameter.
|
The following properties accept/return ParameterAttributes values:
Specify the parameter attribute for the ParameterInfo objects in the IFunction.Parameters array to create a function signature. A function signature provides parameter validation when a function is evaluated.
See Also