让自己的Textbox能自动完成及字词联想

        private void MaintainForm_Load(object sender, EventArgs e)
        {
            string[] array = new string[] { "hello", "hi", "nihao", "hehe", "yes", "no", "nobody", "morning", "yellow", "moon" };
            AutoCompleteStringCollection AutoCollection = new AutoCompleteStringCollection();
            AutoCollection.AddRange(array);
            textBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
            textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
            textBox1.AutoCompleteCustomSource = AutoCollection;
        }