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Overview

The WPF AutoComplete control provides a common autocomplete text box to select values from a predefined list easily and adds the common autocomplete paradigm to text boxes. The control is loaded with features to help you customize the behavior, look, and feel in many different ways.

Multiple selection

Select multiple items from the suggestion list and display the selected items either as tokens, such as in an email address bar, or text separated by a delimiter.

Token representation

Customizable token representation in the AutoComplete control allows users to remove an item with its close button.

Token representation in WPF AutoComplete.

Delimiter

Delimit the selected items with desired characters such as ‘$’ for dollar representation, or ‘,’ for traditional comma separation.

Delimiter support in WPF AutoComplete.

When a character is entered, the control searches for items related to the entered character and filters results, displaying the suggestion in the drop-down list.

Perform filtering when needed

The control starts offering matches as soon as users start typing. This feature can be changed by setting the number of characters required to start matching.

Filter

You can pick from various filtering options such as starts with, contains, and ends with. You can also choose whether to filter with or without case sensitivity.


Suggest, append, or both

The WPF AutoComplete control can suggest a list of filtered items in a pop-up or append the rest of the suggested words in the input area. It can also append the matched item and display the list of filtered items suggested in a pop-up at the same time.

Showing suggestions based on the typed word.


Pop-up

Pop-up placement

If the control is at the bottom of the application, where the default keyboard appears and would hide the pop-up, the pop-up can be placed at the top, instead.

Avoid pop-ups

APIs are available to avoid pop-ups and retrieve filtered suggestion items to arrange list or item controls.

Pop-up opening delay

Delay the opening of the pop-up.

Show suggestion on focus

APIs are available to display all the items in the pop-up whenever the control is in focus.


Matching text highlight

The AutoComplete control highlights the matching text of each filtered item. This option shows how the item is filtered in the list and clearly displays the items to be picked.

First occurrence

Highlights the matching text that occurs first.

Highlights the first occurrence of the character in the suggested words.

Multiple occurrence

Highlights the matching text that occurs multiple times.

Highlights all the occurrences of the character in the suggested words.


Customization

Custom template

The control accepts a template for pop-ups to change the look and feel of the items.

Default view customization.

Appearance

The customizable appearance of the control is designed, by default, to adapt to the native look and feel of the deployment platform.

Default view customization.

Color customization

The color of pop-ups and text can be customized to fit the application design.

Different font type can be applied to text.

Font size

The font size can be customized with pixel precision or with standard options such as small, medium, and large.

Increase or decrease text size.

Font family

Use traditional fonts or custom fonts, as suits your application. The control renders certain iconic fonts, too.

Change the font family of text.

Show in the AutoComplete control a drop-down button that users can click to open and select items from the suggestions.

Drop-down button UI.


General information

MVVM support

Every aspect of the AutoComplete control has been designed with the MVVM pattern in mind.

Provides MVVM support.

Localization

All static text can be localized with the required language.

Provides localization support.

Use real-time object

Along with a list of strings, a real-time object can also be used to direct the search member to search and display.

Provides support to real-time objects.

Bind icons

You can place icons in the pop-up lists. A member can also be assigned to form the object.

Provides binding support for icons.

Clear button

The Clear button is available to clear all the tokens with a single tap. The button can be enabled or disabled.

Provides clear button support for Token.

Watermark

A watermark prompts with an information hint when the search box is not in focus and contains an empty string.


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