Various filter options for suggestion

17 Jan 20252 minutes to read

The combo box enables filer option for filtering the suggestions in drop-down.

comboBox.AllowFiltering = true;
comboBox.IsEditableMode = true;

Types Of filtering

The phenomenon of string comparison for filtering suggestions can be changed using the SuggestionMode property. The default filtering strategy is StartsWith, and it is case insensitive. The available filtering modes are,

  • StartsWith

  • StartsWithCaseSensitive

  • Contains

  • ContainsWithCaseSensitive

  • Equals

  • EqualsWithCaseSensitive

  • EndsWith

  • EndsWithCaseSensitive

  • Custom

Words that starts with input text

Displays the list of suggestions based on the starting letter.

comboBox.SuggestionMode = SuggestionMode.StartsWith;

Filter with character casing

Displays the list of suggestions based on the starting letter with case sensitive.

comboBox.SuggestionMode = SuggestionMode.StartsWithCaseSensitive;

Words that contain the input text

Displays the list of suggestions if the combo box list contains that words.

comboBox.SuggestionMode = SuggestionMode.Contains;

Filter with character casing

Displays the list of suggestions if the combo box list contains that words with case sensitive.

comboBox.SuggestionMode = SuggestionMode.ContainsWithCaseSensitive;

Words that equals to input text

Displays the word that matches.

comboBox.SuggestionMode = SuggestionMode.Equals;

Filter with character casing

Displays the word that matches with case sensitive.

comboBox.SuggestionMode = SuggestionMode.EqualsWithCaseSensitive;

Words that ends with input text

Displays the list of suggestions based on the ending word.

comboBox.SuggestionMode = SuggestionMode.EndsWith;

Filter with character casing

Displays the list of suggestions based on the ending word with case sensitive.

comboBox.SuggestionMode = SuggestionMode.EndsWithCaseSensitive;

Custom filter

Displays the list of suggestions based on the custom words in the combo box.

comboBox.SuggestionMode = SuggestionMode.Custom;