CustomFunctionCollection.Contains(String) Method

Determines whether the collection contains the specified function.

Namespace: DevExpress.Spreadsheet.Functions

Assembly: DevExpress.Spreadsheet.v19.1.Core.dll

Declaration

C#

bool Contains(
    string name
)

VB.NET

Function Contains(
    name As String
) As Boolean

Parameters

Name	Type	Description
name	String	A string that is the name of the function to locate in the collection.

Returns

Type	Description
Boolean	true, if the collection contains the specified function; otherwise, false.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Contains(String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

udf-custom-function-how-to-replace-excel-xll-add-in-udf-with-a-custom-function-e5178/CS/UDF_Discount/Form1.cs#L20

DiscountFunction udfFunction = new DiscountFunction();
if (!spreadsheetControl1.Document.CustomFunctions.Contains(udfFunction.Name))
    spreadsheetControl1.Document.CustomFunctions.Add(udfFunction);

udf-custom-function-a-sample-custom-function-that-returns-an-array-t538369/CS/CustomFunctionReturningArrayExample/Form1.cs#L24

TestArrayCustomFunction customFunction = new TestArrayCustomFunction();
if (!spreadsheetControl1.Document.Functions.CustomFunctions.Contains(customFunction.Name))
    spreadsheetControl1.Document.Functions.CustomFunctions.Add(customFunction);

VB.NET

udf-custom-function-how-to-replace-excel-xll-add-in-udf-with-a-custom-function-e5178/VB/UDF_Discount/Form1.vb#L19

Dim udfFunction As New DiscountFunction()
If (Not spreadsheetControl1.Document.CustomFunctions.Contains(udfFunction.Name)) Then
    spreadsheetControl1.Document.CustomFunctions.Add(udfFunction)

udf-custom-function-a-sample-custom-function-that-returns-an-array-t538369/VB/CustomFunctionReturningArrayExample/Form1.vb#L26

Dim customFunction As New TestArrayCustomFunction()
If Not spreadsheetControl1.Document.CustomFunctions.Contains(customFunction.Name) Then
    spreadsheetControl1.Document.CustomFunctions.Add(customFunction)