ComboBox自动完成功能的例子

下面是使用ComboBox 测试

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private void FormTest_Load(object sender, EventArgs e) 

{ 
     DataTable dt = new DataTable(); 

     dt.Columns.Add("Name"); 

     dt.Columns.Add("VV"); 

     dt.Rows.Add(new string[] {
"你好", "c" }); 

     dt.Rows.Add(new
string[] { "大家",
"d" }); 
     dt.Rows.Add(new string[] {
"你很好", "e" }); 

     dt.Rows.Add(new
string[] { "你不好",
"f" }); 
 
     this.comboBox1.DataSource = dt; 

     this.comboBox1.DisplayMember =
"Name"; 
     this.comboBox1.ValueMember =
"VV"; 
     this.comboBox1.AutoCompleteSource = AutoCompleteSource.ListItems; 

     this.comboBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend; 

}