GitHub - SyncfusionExamples/How-to-filter-dropdown-items-in-WPF-editable- combobox: This session describes how to filter dropdown items in WPF editable combobox.
The ComboBox control - The complete WPF tutorial
Binding to a ComboBox using a DataTable and Linq -Deborah's Developer MindScape
c# - Simple WPF combobox filter - Stack Overflow
WPF ComboBox Control | Telerik UI for WPF
Using a TextBox and CollectionViewSource to Filter a ListView in WPF
Filter Combobox Datasource C#. You can read see this article in this… | by Ecco Suprastyo | Medium
ComboBox with Suggest Ability based on Substring-Search - CodeProject