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