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The WinUI ComboBox control (multiselect 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.

WinUI ComboBox control.


Select an item or multiple items from the drop down.

Single selection in WinUI ComboBox.

Single selection

Select a single item from the drop down list.

Multiselect ComboBox control.

Multiple selection

Select more than one item from a drop down list. Checkboxes can be used to represent selected items.

Delimiter character

Customized delimiters separate the selected items displayed in a multiple-select ComboBox. (e.g.: ‘-‘ as a delimiter character.)

WinUI ComboBox selected items seperated with delimiter.


Display hints using a watermark text when no item is selected.

WinUI ComboBox watermark text.

Editable and non-editable modes

The ComboBox control supports editable and non-editable modes to choose items.

WinUI ComboBox choose item using editing.

Editable mode

Edit the text in the text box. Suggestions will be shown in the drop down list based on the input.

WinUI ComboBox choose item using drop down list.

Non-editable mode

Items can be selected from the drop down list, but the selected item cannot be edited.


Highlights the first item which fits the user input in the drop down list.

WinUI ComboBox search the items based on provided input.


Filter the items in the drop down based on the starting letter or whether they contain a specific letter.

WinUI ComboBox filter the items based on starting text.

Start with

Filter the matching items based on the starting text.

WinUI ComboBox filter the items based on containing text.


Filter the matching items containing specific text.


Group data items in the drop down.

WinUI ComboBox grouped items.

Data binding

Data-binding support works for all popular data sources and displays data based on display member. It automatically generates items from a data-bound collection. The application can be designed in the MVVM pattern.

WinUI ComboBox data binding support.


WinUI ComboBox selection box custom UI.

Selection box UI

Customize the appearance of the selection box.

WinUI ComboBox drop down height.

Adjust the drop down height based on the number of items to enhance readability without scrolling.

Custom UI for ComboBoxItem using ItemContainerStyle.

Conditional Styling

Customize the appearance of drop down list items based on the data.

Custom UI for ComboboxItem using ItemTemplate.

Drop down list items can be customized with an image or custom control.

WinUI ComboBox Control with light and dark theme.


The WinUI ComboBox control includes light and dark themes.

Syncfusion WinUI DataViz & UI Controls


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