ICustomFunctionOperatorQueryable Interface

The interface which must be implemented by classes that provide information on custom functions to use in LINQ to XPO expressions.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v21.1.dll

Declaration

C#

public interface ICustomFunctionOperatorQueryable

VB.NET

Public Interface ICustomFunctionOperatorQueryable

Remarks

This class defines the method that associates a custom function with its implementation.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ICustomFunctionOperatorQueryable interface.

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#

XPO_how-to-implement-the-icustomfunctionoperatorformattable-interface-e2491/CS/CustomCommand/DatePartFunction.cs#L8

namespace DXSample {
    public class GetMonthFunction :ICustomFunctionOperatorFormattable, ICustomFunctionOperatorQueryable {
        #region ICustomFunctionOperatorFormattable Members

VB.NET

XPO_how-to-implement-the-icustomfunctionoperatorformattable-interface-e2491/VB/CustomCommand/DatePartFunction.vb#L10

Public Class GetMonthFunction
    Implements ICustomFunctionOperatorFormattable, ICustomFunctionOperatorQueryable
    #Region "ICustomFunctionOperatorFormattable Members"