Filter ComboBox with CheckBox support enabled

The combo box provides a nice built-in support for CheckBoxes which can be used in many real-case scenarios leveraging multiple selection:

ComboBox Demo - Selection with Checkboxes

The control also provides the Filtering capability which adds convenient behavior allowing users to find quickly what they are looking for:

ComboBox Demo - Autocomplete and Filtering

Due to internal specifics of these 2 logics, combo box Filtering and MarkFirstMatch are incompatible with CheckBoxes layout by default. Since it can be desired and meaningful to have these both features work together, we created a sample addressing this case.

The following code library example demonstrates how the combo box can be filtered when CheckBox support is enabled by embedding a TextBox in the combo box' Header Template:

Code-Library - Filter ComboBox with CheckBoxes support enabled

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