[Expand]General Information
[Expand]WinForms Controls
[Expand]ASP.NET Controls and MVC Extensions
[Expand]ASP.NET Bootstrap Controls
[Expand]ASP.NET Core Bootstrap Controls
[Collapse]WPF Controls
  Prerequisites
 [Expand]What's Installed
 [Expand].NET Core 3 Support
 [Collapse]Common Concepts
  [Expand]Themes
  [Expand]Images
  [Expand]Printing and Exporting
  [Expand]Saving and Restoring Layouts
   Typed Styles
  [Expand]Touch Support
  [Collapse]Expressions
    Expressions Overview
    Expression Editor
    Expression Editor Capabilities
    Invoking Expression Editor
    Expression Editor Modes
    Expression Editor Customization
   Filtering
  [Expand]Formatting Values
   Prism Adapters
  [Expand]Data Sources
  [Expand]Performance Improvement
   XAML Namespaces
 [Expand]MVVM Framework
 [Expand]Controls and Libraries
 [Expand]Scaffolding Wizard
 [Expand]Localization
  Redistribution and Deployment
  Get More Help
 [Expand]API Reference
[Expand]Xamarin Controls
[Expand]Windows 10 App Controls
[Expand]Office File API
[Expand]Reporting
[Expand]Report and Dashboard Server
[Expand]Dashboard
[Expand]eXpressApp Framework
[Expand]eXpress Persistent Objects
[Expand]CodeRush
[Expand]CodeRush Classic
[Expand]Cross-Platform Core Libraries
[Expand]Tools and Utilities
 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

Expression Editor Customization

You can customize the Expression Editor. For example, the image below shows the expression editor with the following changes:

  • The Columns category is renamed to Fields.
  • The Now function is removed from the date-time functions list.

Perform the following steps to customize the expression editor:

  1. Handle the DataViewBase.UnboundExpressionEditorCreated (or PivotGridControl.UnboundExpressionEditorCreated) event.
  2. Use one of the following properties to obtain the expression editor:

  3. Specify the required expression editor's properties.

The following code sample demonstrates how to customize the AutoComplete expression editor as shown in the image above:

Expanded See Also

Is this topic helpful?​​​​​​​