About Syncfusion® WinUI ComboBox Control

18 Nov 20181 minute to read

The WinUI ComboBox control (multi-select ComboBox) is a selection component that allows users to type a value or choose an option from a list of predefined options. It has many features, such as data binding, multiple selection with checkboxes, editing, searching, filtering, UI customization, and custom templates.

Control structure

The following diagram illustrates the structure of the ComboBox control.

WinUI ComboBox structure

Key features

  • Data binding – Support to bind various types of data sources.
  • Editable mode – Supports editable and non-editable modes to select items from the given data source.
  • Selection mode – Support to select single or multiple values from the drop-down list.
  • Filtering – The ComboBox filters items based on the entered text and auto-fills with the first suggestion in StartsWith mode.
  • Searching – Highlights the matching item in the drop-down list based on the provided input.
  • Watermark – Displays placeholder text (via the PlaceholderText property) inside the control until the user enters text.
  • Styling and template support – SelectionBox and drop-down list items can be customized with an image or custom control using templates in the ComboBox control.