WinForms ComboBox
Multiselect ComboBox

Multiselect

Built-in CheckBox allows users to select more than one item in the ComboBox with complete keyboard support.

Select all (check all) option

Select all the items from the ComboBox dropdown in just one click.

Custom delimiter character

Customized delimiter (separator) helps separate the selected items displayed in the ComboBox.

Header and footer

• Freeze the header and footer at the top and bottom of the dropdown list in ComboBox.
• Load any UI control as the header of the dropdown. This helps users to perform customized operations like search and filter in the dropdown itself.

• Searching using TextBox in dropdown example

• Searching using TextBox in dropdown documentation

Excel-like selection

• Performs selection after user confirmation using OK and Cancel buttons similar to Excel.
• Also, hides the OK and Cancel buttons from the dropdown.

Item height

Users can adjust (auto fit) the item height in the dropdown based on the content of the item to enhance readability of content. It is also possible to set the item height conditionally.

• Item height documentation

Tokens

Selected item(s) from a predefined list will now be added as tokens in the combobox.

• Tokens Documentation

Tooltip

The WinForms multiselect ComboBox supports displaying tooltip to view all the selected items easily. You can customize the appearance of the tooltip as required.

Appearance style

Customize the appearance of the ComboBox edit control and dropdown. It is also possible to customize the appearance based on data conditionally.

• Background color
• Text color
• Checkbox style
• OK and Cancel buttons style
• Font and more.

• Appearance style documentation