[英]c# ComboBox add items as user types text
需要适当的解决方案:
我的代码:
private void InitializeComboBoxSearchSymbol()
{
comboBoxSearchName.ValueMember = "first_name";
comboBoxSearchName.DisplayMember = "first_name";
comboBoxSearchName.AutoCompleteMode = AutoCompleteMode.None;
comboBoxSearchName.SelectedIndexChanged += comboBoxSearchName_SelectedIndexChanged;
comboBoxSearchName.KeyDown += SearchNameTextChanged;
}
private void comboBoxSearchName_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void SearchNameTextChanged(object sender, KeyEventArgs e)
{
YahooData yd = new YahooData();
List<Name> listNames = yd.YahooNameLookup(comboBoxSearchName.Text);
comboBoxSearchName.Items.Clear();
comboBoxSearchName.Items.AddRange(listNames.ToArray());
}
上面的代码有效,但list不会被下拉,文本光标变得很奇怪,有时会引发错误。
要以编程方式打开Win Forms组合框:
comboBoxSearchName.DroppedDown = true;
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