public Form3()
{
tags = classifierProvider.GetTags("");
InitializeComponent();
listBox1.Items.Clear();
listBox1.Items.AddRange(tags);
}
private void textBox2_Enter(object sender, EventArgs e)
{
// autocomplete while typing tags
AutoCompleteStringCollection data = new AutoCompleteStringCollection();
data.AddRange(classifierProvider.GetTags("").AsParallel().Select(x => x.name).ToArray());
textBox2.AutoCompleteCustomSource = data;
}