The WinForms ComboBox (multiselect combobox) control allows users to type a value, choose an item, or choose multiple items using a multiselect option. Any UI control can be loaded as the header of the dropdown. Users can perform customized actions like search and filter in the dropdown. Its rich feature set includes autocomplete, sorting, watermark text, appearance customization, and more.
The WinForms ComboBox has data binding support to work out-of-the-box with all the popular data sources like IEnumerable (IList, IBindingList, ObservableCollection, and more) and DataTable. It also supports sorting and filtering. Data can be shown based on the display member and value member.
The WinForms ComboBox allows users to filter data. Users can also filter items with their own custom logic.
A watermark provides an additional hint to users about the data to be selected from the listed values.
Customize the appearance of the edit control and dropdown list.
Customize the appearance of the dropdown list items based on the data.
Users can load an image to each list item in the dropdown. Images can also be aligned with the text.
Supports making a custom drawing for every list item.
The WinForms ComboBox control provides Office 2016 built-in theme support to adapt the control to the rest of the business application. The following Office 2016 themes are supported:
Users can adjust (auto fit) the item height in the dropdown based on the content of the item to enhance readability. It is also possible to set the item height conditionally.
Localize all the static default strings in the WinForms ComboBox to any desired language.
Supports right-to-left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.
The WinForms ComboBox control is compatible with Coded UI and UFT (formerly QTP) automation tools to automate applications.
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