TextBox 智能感应

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 using System.Diagnostics;
11 using System.Windows;
12 
13 namespace WindowsFormsApplication1
14 {
15     public partial class Form1 : Form
16     {
17         public Form1()
18         {
19             InitializeComponent();
20         }
21         private void Form1_Load(object sender, EventArgs e)
22         {
23             // Create the list to use as the custom source. 
24             var source = new AutoCompleteStringCollection();
25             source.AddRange(new string[]
26                     {
27                         "January",
28                         "February",
29                         "March",
30                         "April",
31                         "May",
32                         "June",
33                     });
34             textBox1.AutoCompleteCustomSource = source;
35             textBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
36             textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
37         }
38     }
39 }