SuggestionEventArgs.cs

using System;
using System.Collections.Generic;
 
namespace Waher.IoTGateway.Setup
{
    public class SuggestionEventArgs : EventArgs
    {
        private readonly SortedDictionary<string, bool> suggestions;
        private readonly string startsWith;
 
        public SuggestionEventArgs(string StartsWith)
        {
            this.suggestions = new SortedDictionary<string, bool>(StringComparer.CurrentCultureIgnoreCase);
            this.startsWith = StartsWith;
        }
 
        public string StartsWith => this.startsWith;
 
        public void AddSuggestion(string Suggestion)
        {
            if (Suggestion.StartsWith(this.startsWith, StringComparison.InvariantCultureIgnoreCase) &&
                !this.suggestions.ContainsKey(Suggestion))
            {
                this.suggestions[Suggestion] = true;
            }
        }
 
        public string[] ToArray()
        {
            string[] Result = new string[this.suggestions.Count];
            this.suggestions.Keys.CopyTo(Result, 0);
            return Result;
        }
    }
}