988475-I have updated the read me file in Multiple-selection-made-easy-using-WinUI-ComboBox-control

Author: YuvarajMasilamani

README.md

@@ -1,4 +1,30 @@
 # Multiple-selection-made-easy-using-WinUI-ComboBox-control
-Multiple selection made easy using WinUI ComboBox control
+Syncfusion's WinUI ComboBox control enables powerful multiple selection for desktop apps. Set `SelectionMode="Multiple"` to allow users to choose multiple items. Two display modes are available:
 
-![](MultiselectComboBox/Images/multiselect.gif)
+**Delimiter Mode:** Items separated by a custom character (e.g., comma, dash). Set via `MultiSelectionDisplayMode="Delimiter"` and customize with `DelimiterText`.
+
+**Token Mode:** Each item appears as a token with a close button. Set via `MultiSelectionDisplayMode="Token"`.
+
+## Additional features include:
+
+### Editable vs Non-Editable:
+* **Editable:** Users can type to search and select items.
+* **Non-Editable:** Users can only select from the dropdown.
+* **Controlled via:** IsEditable="True" or ""False
+
+### Search & Filtering: 
+
+* StartsWith and Contains filtering modes.
+* Custom filtering logic can be applied.
+* Highlights matching text in dropdown items
+
+### Customization:** 
+
+* **ItemTemplate:** Customize how items appear in the dropdown.
+* **TokenItemTemplate:** Customize how selected tokens appear.
+* **Appearance:** Themes, conditional styling, dropdown height, watermark text, etc.
+
+## Learn more:
+
+* [ComboBox Overview](https://www.syncfusion.com/winui-controls/combobox) 
+* [Enable Multiple Selection](https://support.syncfusion.com/kb/article/15351/how-to-enable-multiple-selection-mode-in-winui-combobox)