private void BedBox_OnPreviewKeyUp(object sender, KeyEventArgs e)
{
if (e.Key == Key.Back || e.Key == Key.Space)
{
BedBox.IsDropDownOpen = true;
var be = BedBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}
if (e.Key == Key.Up && BedBox.IsDropDownOpen)
{
if (BedBox.SelectedIndex != -1)
{
BedBox.SelectedIndex = BedBox.SelectedIndex - 1;
if (BedBox.SelectedIndex == -1)
{
var be = BedBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}
}
}
if (e.Key == Key.Down && BedBox.IsDropDownOpen)
{
if (BedBox.SelectedIndex < BedBox.Items.Count)
{
BedBox.SelectedIndex = BedBox.SelectedIndex + 1;
}
}
}
private void BedBox_OnTextInput(object sender, TextCompositionEventArgs e)
{
BedBox.IsDropDownOpen = true;
var be = BedBox.GetBindingExpression(ComboBox.TextProperty);
be.UpdateSource();
}